Bug: 171774227
Test: manual testing
1. randomly add/remove widgets to workspace
2. create a backup (Settings > System > Backup)
3. reset the device
4. restore from the backup
5. verify all of the widgets are restored properly
Change-Id: Id65e474dd9349aca715d7e6b88f8d58bc63066ae
> Changing the lifecycle to follow other static objects in Launcher
> Removing compat interface and inlining everything to helpers
Bug: 141376165
Change-Id: I82bd5db1969101de9a7eac77f32728d70195bb35
This will allow subclassing BitmapInfo to support custom icon/dynamic
icons which can be loaded on the background thread instead of going
through IconFactory which runs on UiThread
Change-Id: Ieced6e91330bdff1b505826d097a8df711dfe967
> This ensures that LauncherAppState is only accessed in the presence of
a valid context
Bug: 33032833
Change-Id: I955e5cb022f8bd6374681ae6c0720a2666d5b750