Merge "libbinder: keep uninit descriptor empty" am: 71ea90d3 am: 6787d27d am: f9102095

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2576594



Change-Id: Id8830f3d0b146614f91c7ddf7a5f24a348e2ad6f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>