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

Merge "[flexiglass] Pattern bouncer UX polish." into udc-dev am: e2ccf110 am: c1972a11 am: b1183f18

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



Change-Id: Icc9b788b6fa610651ac84b7192c219eb1fa16454
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>