Merge "Update VmaCallbacks to return bool" into main am: 06326980fd am: 51c8c578fc

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2977412

Change-Id: If365ea3cfa21922302026f93e436c216120d4a70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>