[automerger skipped] Resolved minor warnings in a few notification and...

[automerger skipped] Resolved minor warnings in a few notification and accessibility am: 53c2c0a8 am: 8b30cac8 -s ours

am skip reason: Merged-In I7732ffb788ce380d3c71206718b24bd30ad827e0 with SHA-1 cedd60e7 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19945424



Change-Id: I01758b48c785cae26573dd73206f8a388e7eb566
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>