Merge "Update unpaused udfps alpha when showing udfps bouncer" into sc-qpr1-dev am: 2747904ead am: dbc02859d0 am: 24abf94900

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

Change-Id: I8a9f972febe99996ef2f0db31503dcf08fac4bad