[scudo] Drain caches when release with M_PURGE_ALL am: b226587a7f Original change: https://googleplex-android-review.googlesource.com/c/platform/external/scudo/+/23184463 Change-Id: I5884092acb0925e46034c362a173f7992a353e1c Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>