Merge "Fix warnings in libs/binder." am: b54c4d3712 am: 27aea7119b

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1571379

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie0c95f171098735c9cf9ff398858e97791d30d92