Merge "Revert "libbinder: Flush excess refs after single async transaction""...

Merge "Revert "libbinder: Flush excess refs after single async transaction"" am: 2aef5c65 am: d42bc5a9

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2433579



Change-Id: I124eaa833644cfca23a54027620de45a561068b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>