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

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

Change-Id: Ice09741349e45439210e46a7c408616aa3bc39d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>