malloc debug root to clean up am: dd415afd33 am: 70bfc2201d am: 9328c744e5 am: 3ab696f0bb am: 06f445cc2d

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/24424185

Change-Id: Id5440bd12d9f9cc4784d3becf9d82795cc23b64e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>