Set alpha on background paint and foreground layers, include foreground when mutating drawable. am: 47ed514b9b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/18752001

Change-Id: I0e2e8b18209ae200da123098372fe5fa185b3cbc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: 3ff0cc9ed58ce94fd482a90c732f7db0558503fb
  1. iconloaderlib/
  2. searchuilib/