Merge "libbinder*: IBinder/IInterface toString impl" am: c4914ee17a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2371160

Change-Id: Ifd5ed7a58710b84e513f5620135185985e265a71
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>