Merge "Add meaningful accessibility labels for color picker (1/2)" into udc-dev am: b1fe428808 am: 7c1db8b0ee

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23417405

Change-Id: I8642c79f96a7b1ff3e99b195bd658277e141d095
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>