Merge "Create the DetectorFailure class and its subclasses." into udc-dev am: 59bb5cc2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21470968



Change-Id: I52ab3ecbed2eaad5af7261f6ac2bacab2c6a32d0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>