Merge "libbinder: fix type of return value from {send,read}_msg" am: 2a2071242b am: dcbef39392 am: 2300724f7a am: adf1262275

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2173482

Change-Id: Ia261194ce1764fd988b5b7c8329ec4ec8e2e298b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>