Merge "libbinder: Add test for null non-nullable binder return" am: 8accb65032 am: ff00dd4f6b am: d5dae41776 am: ea0f6b69f0 am: e81e284e37

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2136975

Change-Id: Ic88efd1f823b8d00447898c67c10c0b063606cd1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>