Ensure swipe down works for bouncer to dismiss

Also ensure that we don't set translation for sim screens. The
translation is causing some nasty flickering and the translation does
not serve any purpose.

Fixes: 191211136
Test: swipe down to dismiss from sim pin/puk view.
Test: swipe down to dismiss from pin view.
Test: swipe down to dismis from pattern/password view.

Change-Id: I8c2d2ccd7907fa732551fbecb8f0a7c37d4c4755