Merge "binderLibTest: filling buffer" am: 184a9c7331 am: 85d28f8f6c am: 9fee4a7147 am: e29166dd2c

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

Change-Id: I01a700785d9062cb694a110d9629f8a824c0817d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>