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

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



Change-Id: I2119c43a29cbf64d68b9b807db4fb8c0aed2a4d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>