Merge "libbinder: fix buffer free race" am: c6fc862bf0 am: 245dff1ff8 am: e14ff5c872 am: e9f50efbe2 am: 96e9944747

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2210443

Change-Id: I119e1d10397146d434d7f97103dba1ce6c2d9529
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>