Merge "Add minimum show time for the udfps bouncer." into sc-qpr1-dev am: a1421cf6 am: 92ec5e82

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15595759

Change-Id: I2424f50605ee4118a4897c2a7596405be5f7f583