Clear junk when closing and reopening the kb

Update widescreen kb contentview as soon as action is received. There is no guarantee that onAppPrivateCommand and onStartupInputView will be called in any order. The views should be updated when the value is received from app.

Fix: 174812208
Bug: 170343703
Test: Manual
Change-Id: I628a87d6394059fc613c8d40960ceddcca5667de
1 file changed