Merge "Add a default string for failures." into sc-qpr1-dev am: 7d260921 am: a77a337e am: 4af1abb3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15671476

Change-Id: I85fdfe6fc4886da7900d323e225c26bbe41c517c