Merge "Force garbage collection after credential verification" into rvc-dev am: 612d9e85 am: 49f0c439 am: 33df8885

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

Change-Id: I71eafb0901d6e656b7d7dbac92ebf075abbccadb