Merge "Update unpaused udfps alpha when showing udfps bouncer" into sc-qpr1-dev am: 2747904ead am: dbc02859d0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15693008

Change-Id: I35d4b4a39995430621d4e920f41f2f8d9247e91c