Merge "libbinder: BBinder descriptor" am: 02f87ae0ff am: 0885db17bf am: fd4f3bb1da am: c92fd01bec

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

Change-Id: Ia0afacac477ef3ed27fb267b80c8023da67f576b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>