Bring Back CarHome *Removed in AOSP*

This brings back the ability to go to a CarHome rather than Launcher
Google Removed This Ability Here:
Change: I8234ebf066798071517b4a586b06708b6ec0bc71
http://bit.ly/WuZ2dW

PS2:Remove Whitespace.  Thanks Google.

Change-Id: I85f63792d57db39bfcfd02592d85a65154fa7010