Update to Android 15

[nbradbury]

Closes #21596

This PR updates our app to Android 15, as has already been done for WCAndroid - p91TBi-cHS-p2. The following items have been addressed:

• Changed compileSdkVersion to 35
• Fixed deprecation issues with SDK 35
• Cleaned up WindowExtensions to remove unused or deprecated features
• Converted WordPressDebug to Kotlin
• EnabledStrictMode and updated it to include detectNonSdkApiUsage. This is for my testing purposes only - I'll disable it before this branch is merged.

Note that I left targetSdkVersion at 34 because targeting 35 causes the app to default to edge-to-edge, which leads to a number of overlapping problems. We can revisit this at a later date.

To test:

• Make sure you can build the app and CI passes
• On SDK 35+ (VanillaIceCream) do a quick run-through of the app - including login - and ensure there are no visual issues
• Repeat on a pre-35 device

[dangermattic]

	3 Warnings
⚠️	View files have been modified, but no screenshot or video is included in the pull request. Consider adding some for clarity.
⚠️	Class InsetsType is missing tests, but unit-tests-exemption label was set to ignore this.
⚠️	PR is not assigned to a milestone.

Generated by 🚫 Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21599-17ca78f
	Commit	17ca78f
	Direct Download	jetpack-prototype-build-pr21599-17ca78f.apk

Note: Google Login is not supported on these builds.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21599-17ca78f
	Commit	17ca78f
	Direct Download	wordpress-prototype-build-pr21599-17ca78f.apk

Note: Google Login is not supported on these builds.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 26 lines in your changes missing coverage. Please review.

Project coverage is 39.48%. Comparing base (94fd5f6) to head (17ca78f).
Report is 1 commits behind head on trunk.

Files with missing lines	Patch %	Lines
...dpress/android/util/extensions/WindowExtensions.kt	0.00%	16 Missing ⚠️
...wordpress/android/util/signature/SignatureUtils.kt	0.00%	6 Missing ⚠️
...rds/quicklinksitem/QuickLinksItemViewModelSlice.kt	0.00%	3 Missing ⚠️
.../main/java/org/wordpress/android/AppInitializer.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #21599   +/-   ##
=======================================
  Coverage   39.48%   39.48%           
=======================================
  Files        2117     2117           
  Lines       99464    99464           
  Branches    15296    15296           
=======================================
  Hits        39269    39269           
  Misses      56714    56714           
  Partials     3481     3481           

☔ View full report in Codecov by Sentry.
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[ParaskP7]

👋 @nbradbury !

I have reviewed and tested this PR as per the instructions, everything works as expected, great job wit this compileSdkVersion update! 🌟 x 🌟 ^ 🌟

FYI: Also, I put some extra focus on the WindowExtensions.kt changes, identified usages of both setWindowStatusBarColor(...) and setWindowNavigationBarColor(...), which weren't many anyway:

• ReaderPostDetailFragment
• ReaderReadingPreferencesDialogFragment
• SupportWebViewActivity
• DialogExtensions -> Dialog.setStatusBarAsSurfaceColor

And then tried testing those, see if I can see any diff. In the end, everything looked good to me when testing on both, 15 or older devices.

---

I have left just one question (❓) and a few suggestion (💡) comments for you to consider. I am going to approve this PR anyway, since none is blocking. I am NOT going to merge this PR yet to give you some time to apply any of my suggestions. However, feel free to ignore them and merge the PR yourself.

PS: Having said that, I recommend for someone closer to JP/WPAndroid to go for another pass at this, do some more testing, maybe be more thorough than me, just in case I missed something obvious.

[dcalhoun]

I tested the changes on two Android emulators—SDK 35 and 30—I did not note any visual regressions. 🚀

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud