Merge "Require installer binder to be not null." into udc-dev am: 584fe406

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23245840



Change-Id: I4d8bcf328692480584a7a4060847c24f3a00bf67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>