Merge "Force garbage collection after credential verification" into rvc-dev...

Merge "Force garbage collection after credential verification" into rvc-dev am: 612d9e85 am: e54728c4 am: a5a02768

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12000923

Change-Id: Icf03f9fa1b6637f529f5c2d41d79c3cca362e0fe