Merge "Don't clip background drawable if navigation color view is not opaque"...

Merge "Don't clip background drawable if navigation color view is not opaque" into tm-dev am: b8ab50b6 am: 17bca21f

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



Change-Id: I7472dcbd4e53a8510e9447b60ea9636f04910ec9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>