Merge "Correct documentation of AppWidgetProviderInfo" into sc-dev am: 4ac31d7f am: 6b436332 am: 4fe50aa8 am: f2e3e4de

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15825508

Change-Id: Id2167939242df70bfe469ac2a87e0c8c74616b96