Merge "Set a unique id for color sections to prevent focus issues on talkback mode" into tm-dev am: 87689fca11

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/18282468

Change-Id: Ie4b94c338e63b8d2068320f37473ddb722455e65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>