Merge "Remove notification permission feature flag" into tm-dev am: af798227...

Merge "Remove notification permission feature flag" into tm-dev am: af798227 am: 1c7aab67 am: 729eee42

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18164160



Change-Id: Ic370d0094d05c17735f1a25d5b0e8f6757bf828b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>