Merge "libbinder: Flush excess refs after single async transaction" am: e378a9e35b am: 69f4e01cae

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2402157

Change-Id: I45e59b6c8fddf3ff788313531e9759748b9f2be5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>