Merge "android.os.Binder: remove unused getFinalizer" am: c59758ab41 am: e98c205ba8 am: 4d279afec1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1418956

Change-Id: I1ea049a26712a8db06dd3f3c9bbaee7884ec5c30