Merge "[flexiglass] Pattern bouncer UX polish." into udc-dev am: e2ccf110...

Merge "[flexiglass] Pattern bouncer UX polish." into udc-dev am: e2ccf110 am: a5ab019a am: f6f0b39b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23246162



Change-Id: I5fb5797577a05812509e84d55233074242abe579
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>