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

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

Change-Id: Idb8c4bb0b52c3af6cc96bec760b65391cfaa5c23
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>