Merge "Fix "null" toast when FillCallback.onFailure(null) called." into rvc-qpr-dev am: 906ec8897e am: 7d77f1e7d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12279991

Change-Id: I99a95e1d95143fb5b791602c8def964633792d81