Merge "Don't clip background drawable if navigation color view is not opaque" into tm-dev am: b8ab50b6 am: 6ad6a41d am: a65297a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18195528



Change-Id: I36fbffbb4ba49a29cb58a1a88d6ec0ec1ee74885
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>