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: I1e65482bb980f6212ccd9a5200b921184b341a9f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>