Clean up malloc debug properties am: b7773455fe am: 0b1a4b28b6 am: c9ef52812f am: 40d117ced2 am: d219857996 am: 6ed3323215

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/24992198

Change-Id: Icc7122a5e937e1b9e32335dec82f32e11685da0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>