Merge "binderLibTest: filling buffer" am: 184a9c7331 am: 85d28f8f6c

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2151721

Change-Id: I21d23195657f30bfb5e6dc243ea6a85f67e4d36c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>