Merge "Use string notifications_disabled instead of off" into udc-dev am: 83c04b32 am: e6fe38f8 am: c608c84b am: 058d4acb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22938598



Change-Id: I8584284f0a24739c24149e2f68ba53a88db137a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>