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

Merge "Remove notification permission feature flag" into tm-dev am: af798227 am: e62f470c am: b8edf75a am: 8baaf53b

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



Change-Id: I85a5ba27a53e820557d0f32c3a866eac95c2fe02
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>