Merge "binder: don't dereference NULL" am: b08c2cb666 am: 0f2dc47842 am: 95384c2c3e

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1771046

Change-Id: Iebf28bbd6ab45e8fa62cbdb3911c1d2e414625f6