[3/n] Add aspect ratio app info page

Apps > App Info > Advanced > Aspect ratio

Adds link from aspect ratio app list page to app info. Stops activity if
user chooses a different aspect ratio override.

To enable feature:
adb shell device_config put window_manager enable_app_compat_user_aspect_ratio_settings true
adb shell am force-stop com.android.settings

Bug: 287448187
Test: Manual
      All Settings CUJs passed
      atest SettingsRoboTests:UserAspectRatioDetailsTest
      atest SettingsSpaUnitTests:UserAspectRatioAppPreferenceTest
Change-Id: Id47f291459e62267bf15d629c163dde73d96928a