fix: Fix Translate Wiki Issues with Splash Activity Screen Strings (#…

…5219)

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## Explanation
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When merged, this PR will:
- Remove white spaces and new lines that were added to Splash Activity
Screen strings by the [App/OS Deprecation Milestone 3
PR](#5096). This will allow
TranslateWiki to translate them. See related [comment on the
PR](d471d79#r130759117).

## Essential Checklist
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- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
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## For UI-specific PRs only
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If your PR includes UI-related changes, then:
- Add screenshots for portrait/landscape for both a tablet & phone of
the before & after UI changes
- For the screenshots above, include both English and pseudo-localized
(RTL) screenshots (see [RTL
guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines))
- Add a video showing the full UX flow with a screen reader enabled (see
[accessibility
guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide))
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dark mode screenshots must be included
- Add a screenshot demonstrating that you ran affected Espresso tests
locally & that they're passing

Co-authored-by: Adhiambo Peres <[email protected]>

app/src/main/res/values/strings.xml

@@ -472,48 +472,20 @@
   <string name="completed_story_list_recyclerview_tag">completed_story_list_recyclerview_tag</string>
   <string name="item_selection_text">Please select all correct choices.</string>
   <!-- SplashActivity -->
-  <string name="unsupported_app_version_dialog_title" description="The title of the dialog shown when a user's pre-release app has expired.">
-    Unsupported app version
-  </string>
-  <string name="unsupported_app_version_dialog_message" description="The main message of the dialog shown when a user's pre-release app has expired.">
-    This version of the app is no longer supported. Please update it through the Play Store.
-  </string>
-  <string name="unsupported_app_version_dialog_close_button_text" description="The close button text of the dialog shown when a user's pre-release app has expired.">
-    Close app
-  </string>
-  <string name="forced_app_update_dialog_title" description="The title of the dialog shown when a user's pre-release app has expired.">
-    App update required
-  </string>
-  <string name="forced_app_update_dialog_message" description="The main message of the dialog shown when a user's app has expired.">
-    A new version of %s is now available. The new version is more secure, and improves your learning experience.\n\nThis version is no longer supported. To continue using the app, please update to the latest version.
-  </string>
-  <string name="forced_app_update_dialog_update_button_text" description="The update button text of the dialog shown when a user's pre-release app has expired.">
-    Update
-  </string>
-  <string name="forced_app_update_dialog_close_button_text" description="The close button text of the dialog shown when a user's pre-release app has expired.">
-    Close app
-  </string>
-  <string name="optional_app_update_dialog_title" description="The title of the dialog shown when an optional app update is available.">
-    New update available
-  </string>
-  <string name="optional_app_update_dialog_message" description="The main message of the dialog shown when an optional app update is available.">
-    A new version of %s is now available. We recommend that you update the app for bug fixes and a better learning experience.
-  </string>
-  <string name="optional_app_update_dialog_dismiss_button_text" description="The dismiss button text of the dialog shown when an optional app update is available.">
-    Dismiss
-  </string>
-  <string name="optional_app_update_dialog_update_button_text" description="The update button text of the dialog shown when an optional app update is available.">
-    Update
-  </string>
-  <string name="os_deprecation_dialog_title" description="The title of the dialog shown when an the OS the user is using is no longer supported.">
-    Update your Android OS
-  </string>
-  <string name="os_deprecation_dialog_message" description="The main message of the dialog shown when an the OS the user is using is no longer supported.">
-    We recommend updating your Android OS to take advantage of %s\'s new features and lessons.\n\nVisit your phone\'s Settings app to update your OS.
-  </string>
-  <string name="os_deprecation_dialog_dismiss_button_text" description="The dismiss button text of the dialog shown when an the OS the user is using is no longer supported.">
-    Dismiss
-  </string>
+  <string name="unsupported_app_version_dialog_title" description="The title of the dialog shown when a user's pre-release app has expired.">Unsupported app version</string>
+  <string name="unsupported_app_version_dialog_message" description="The main message of the dialog shown when a user's pre-release app has expired.">This version of the app is no longer supported. Please update it through the Play Store.</string>
+  <string name="unsupported_app_version_dialog_close_button_text" description="The close button text of the dialog shown when a user's pre-release app has expired.">Close app</string>
+  <string name="forced_app_update_dialog_title" description="The title of the dialog shown when a user's pre-release app has expired.">App update required</string>
+  <string name="forced_app_update_dialog_message" description="The main message of the dialog shown when a user's app has expired.">A new version of %s is now available. The new version is more secure, and improves your learning experience.\n\nThis version is no longer supported. To continue using the app, please update to the latest version.</string>
+  <string name="forced_app_update_dialog_update_button_text" description="The update button text of the dialog shown when a user's pre-release app has expired.">Update</string>
+  <string name="forced_app_update_dialog_close_button_text" description="The close button text of the dialog shown when a user's pre-release app has expired.">Close app</string>
+  <string name="optional_app_update_dialog_title" description="The title of the dialog shown when an optional app update is available.">New update available</string>
+  <string name="optional_app_update_dialog_message" description="The main message of the dialog shown when an optional app update is available.">A new version of %s is now available. We recommend that you update the app for bug fixes and a better learning experience.</string>
+  <string name="optional_app_update_dialog_dismiss_button_text" description="The dismiss button text of the dialog shown when an optional app update is available.">Dismiss</string>
+  <string name="optional_app_update_dialog_update_button_text" description="The update button text of the dialog shown when an optional app update is available.">Update</string>
+  <string name="os_deprecation_dialog_title" description="The title of the dialog shown when an the OS the user is using is no longer supported.">Update your Android OS</string>
+  <string name="os_deprecation_dialog_message" description="The main message of the dialog shown when an the OS the user is using is no longer supported.">We recommend updating your Android OS to take advantage of %s\'s new features and lessons.\n\nVisit your phone\'s Settings app to update your OS.</string>
+  <string name="os_deprecation_dialog_dismiss_button_text" description="The dismiss button text of the dialog shown when an the OS the user is using is no longer supported.">Dismiss</string>
   <string name="splash_screen_developer_label">Developer Build</string>
   <string name="splash_screen_alpha_label">Alpha</string>
   <string name="splash_screen_beta_label">Beta</string>