Merge "On UDFPS auth success, fade out the dwell ripple" into tm-dev am: a545b2b7b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17449974

Change-Id: Ib86752e638c9abcf486b6ec57d9eae5e0041a610
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>