[automerger skipped] Merge "Update unpaused udfps alpha when showing udfps bouncer" into sc-dev am: b6d44227eb -s ours am: d6af8c5580 -s ours am: 1ca2299d70 -s ours

am skip reason: Merged-In I86a73dacfd2fc4f5b910e1e1e4f6535e91d00da3 with SHA-1 148d62f833 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15692790

Change-Id: I07ff05af47ee4441f88a9a0d5a1e6174016158ae