Merge "Added a hidden modelState to indicate model was deleted from device but available still." into sc-dev am: e4724a8e am: 579c3546 am: 7b6dbf9d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15031542

Change-Id: Ie2e6203d3a21c712b7e362b28403b02a093fda92