base

Quick fix for Monkey NPE.

 Bug 6097462
 If paste window is shown before the insert thumb, an NPE
 would be thrown. This will be fixed fully later when the paste
 window is showing up only at the proper times rather than every
 time the insert thumb is shown.

Change-Id: I91eec7c28fc64a2274f5c3cd36784fedcae055ca