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

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

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

Change-Id: I6881deada673409875eb2f4eba70eba69df11428