Merge "Early bail out if the leash is invalid." into udc-dev am: 583829fcee am: 39c6e43b0e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22435992

Change-Id: Ib5d151b40c2867f7dcae544c6a2df0f04ed95fc1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>