Trebuchet : Check if target is null for cancelled events

If a drag is cancelled on the workspace, ensure not to reference
it in onDropCompleted since it will be null as per what DragController
passes in.

Reproduction steps :

Long press a hotseat icon
While dragging it, turn off screen.

Change-Id: If587e7c9c37ea2e24b7f9cc85db8249ab34dd19f
Initial translation import

Change-Id: I2abb8e418be8a02399b31af1d7e652b2fc6ae954
Merge "Trebuchet : Check if target is null for cancelled events" into cm-11.0
Trebuchet : Fix search bar icon/text disapearing

Repro : 

1. Uninstall an application from the app drawer
2. Press back to go to homescreen.
3. The search bar icon/text should be invisible now.

Change-Id: Ie21623cc57cd210a1b45320640bb21fddacb5e91
Fix displaying of the sort order

A bug(?) makes an option of a radio list be checked, once you call setChecked, even with false.
This results in the wrong option beeing checked. Fix this with a switch-case.

Change-Id: If5e0fd9a3f534fa29b8216ace216dad4e456ad53
Automatic translation import

Change-Id: Ia87709d1e6c57d751998641248ac37ea392a7f2b
Merge remote-tracking branch 'github/cm-11.0' into HEAD