[scudo] releaseToOSMaybe can fail if it can't allocate PageMap am: 2993cdd8d6 am: e8107f8f4b

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/scudo/+/23436940

Change-Id: I0559c6861ceacea0ce5eeb755482f8d72203146f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>