Merge "Marks clock view in preview as not important for Talkback" into udc-dev am: fc7f96a4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23532292



Change-Id: Ibe5816e9785be4dcf55f1bf280944b96ad835c49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>