Merge "libbinder: BBinder descriptor" am: 02f87ae0ff am: 0885db17bf

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2189957

Change-Id: I015378634ead8d79d27155fced470b42c7106c53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>