Merge "Change behind-scrim's tint in BOUNCER state to match GM3 surface...

Merge "Change behind-scrim's tint in BOUNCER state to match GM3 surface color." into udc-qpr-dev am: 54d58e5a am: ea639a21

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23876558



Change-Id: I1694e53de01f67317eed395d8c2f30ea067d18fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>