Add a11y action for expand / collapse items in WidgetsFullSheet
Test: Enable talkback. When focusing on a collapsed item, it announces
Collapsed "App Name" "n widgets/shortcuts". Action available. Use
tap with 3 fingers to view. 3 fingers tap > Action > Expand.
Widgets are expanded.
When focusing on an expanded item, it announces
Expanded "App Name" "n widgets/shortcuts". Action available. Use
tap with 3 fingers to view. 3 fingers tap > Action > Collapse.
Widgets are collapsed.
Bug: 183120145
Change-Id: Ibbb6025b929c141aa9e2fd2c72dce314e8be837e
2 files changed