Merge "libbinder: Check the sub-process exit status in binderRpcTest" am: 90156609e4 am: 55241e5c41 am: 2ed7836943 am: 4da0568ff6 am: fd063c31f1

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2136976

Change-Id: Ife6d13aad0e5b6809827727eaf4f2a047f6df903
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>