Add contentDescription to QCActionItem / QCItem am: b04a6e0072

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Car/systemlibs/+/22746901

Change-Id: Id2fdc07c63ea5f4c59edbb066838a2b277c94502
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>