tree ab2cdab7c84ba47a82a7bee4e17007ae48b9bc08
parent 294400c38f3f2a5892337ca6d11346d871e2e8b1
author Mindy Pereira <mindyp@google.com> 1307466150 -0700
committer Mindy Pereira <mindyp@google.com> 1307466199 -0700

On back key, clear any selected chips.

Change-Id: I764b312f3ffd2ba74be65b8f6bad0cc15bf2e8df