Revert agp to 8.11

[bmarty]

Content

Revert AGP to version 8.11.1

Also comment out lint version override. Will help to reduce friction when AGP is upgraded (see #5260 for instance)

Motivation and context

Unblock F-Droid release, see #3420 (comment)

Screenshots / GIFs

NA

Tests

• NA

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes have been tested on an Android device or Android emulator with API 24
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/element-hq/element-x-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request title will be used in the release note, it clearly define what will change for the user
• Pull request includes screenshots or videos if containing UI changes
• You've made a self review of your PR

[jmartinesp]

Thanks, let's hope this fixes f-droid!

[github-actions]

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[sonarqubecloud]

Quality Gate passed

Issues
0 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

[ElementBot]

	Warnings
⚠️	gradle/libs.versions.toml#L7 - A newer version of com.android.tools.build:gradle than 8.11.1 is available: 8.13.0
⚠️	gradle/libs.versions.toml#L19 - A newer version of androidx.lifecycle:lifecycle-runtime-ktx than 2.9.2 is available: 2.9.3
⚠️	gradle/libs.versions.toml#L25 - A newer version of androidx.compose:compose-bom than 2025.07.00 is available: 2025.08.01
⚠️	gradle/libs.versions.toml#L51 - A newer version of com.autonomousapps:dependency-analysis-gradle-plugin than 2.19.0 is available: 3.0.1
⚠️	gradle/libs.versions.toml#L157 - A newer version of org.robolectric:robolectric than 4.15.1 is available: 4.16
⚠️	gradle/libs.versions.toml#L202 - A newer version of io.sentry:sentry-android than 8.21.0 is available: 8.21.1

Generated by 🚫 dangerJS against 2294fd2

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.65%. Comparing base (c6c1c32) to head (2294fd2).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #5311   +/-   ##
========================================
  Coverage    79.65%   79.65%           
========================================
  Files         2259     2259           
  Lines        62506    62506           
  Branches      7833     7833           
========================================
  Hits         49789    49789           
  Misses        9851     9851           
  Partials      2866     2866           

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