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

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

Change-Id: If2221b643ce2786cf72a22e96a9315b0914970c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>