Merge "[flexiglass] Bouncer throttling - view models." into udc-dev am: 2907102b7b am: 09e74be7ff am: 2097cd2b24 am: 65492bed70

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23303129

Change-Id: Ia07ad48faf813d5e176a211ae2a270313279717a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>