Merge "libbinder: single-threaded binderRpcTest cleanup" am: 2bb747d365

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2169777

Change-Id: I9f0c7cd838bf2cb963156ac4f3b69a57c084bade
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>