[automerger skipped] Merge "Set ClearDefaultsPreference as unselectable for talkback" into rvc-dev am: cdc7fffd am: 5228fbbb am: 51816dea -s ours
am skip reason: Change-Id Ife215d0901bd9fc3055495b0495ba175ed0dfa26 with SHA-1 5f503b87 is in history

Change-Id: I2b32a23dc6aec399c48010aa28e087d690f07503