Merge "Override alpha to 0f if we're no longer interactive." into tm-qpr-dev...

Merge "Override alpha to 0f if we're no longer interactive." into tm-qpr-dev am: f62bbd6f am: 64353780

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20805798



Change-Id: Ib2b10369fdb0bc0f639100c7cd92aaa4950c183d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>