Merge "Improve UDFPS unlock animation experience" into tm-qpr-dev am: 36931daf am: 681f39cc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19515755



Change-Id: I3a5cac5599971c3105c0eef5d90a16b48b27f8b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>