Merge "Implement extra persistence layer for widget provider info" into tm-dev...

Merge "Implement extra persistence layer for widget provider info" into tm-dev am: a710d8fe am: 9bb639e5 am: c5c7f30d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17355277



Change-Id: Ib7e9fedd27af4f423ff69f649cfd4038c3125226
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>