deps android: Upgrade Android Gradle Plugin to 8.12.0, from 8.10.1

Release notes:
  https://developer.android.com/build/releases/past-releases/agp-8-11-0-release-notes#android-gradle-plugin-8.11.0
  https://developer.android.com/build/releases/gradle-plugin#android-gradle-plugin-8.12.0 (for 8.12.0, for now)

Mostly bug fixes, one notable change is that AGP version 8.12 now
requires Android Studio Narwhal Feature Drop (2025.1.2).

Author: rajveermalviya

android/gradle.properties

@@ -6,7 +6,7 @@ android.enableJetifier=true
 # Defining them here makes them available both in
 # settings.gradle and in the build.gradle files.
 
-agpVersion=8.10.1
+agpVersion=8.12.0
 
 # Generally update this to the version found in recent releases
 # of Android Studio, as listed in this table: