tree d55c7679a576accecd874fec206f3a60d18543ca
parent f6478d4c0a43c05fbe2a8cc830c8eb0647c8ddfc
author Jason Monk <jmonk@google.com> 1409764625 -0400
committer Jason Monk <jmonk@google.com> 1409764625 -0400

Add lock task checking to moving tasks to back

Chrome seems to use this method of moving itself to the back on
back presses, causing it to escape lock task mode.

Bug: 17365048
Change-Id: I2e8bc614f771951ed96cfc36f9789d12b1742e70