Framework: Lower timeout for long press back to kill

Also set defaultHomePackage to Google Now Launcher instead of the AOSP
launcher.

Change-Id: I1817d2046daf1baa56d015b4ed52537c221199e2
Signed-off-by: Rob Beane <robbeane@gmail.com>
Frameworks: speed up statubar/notification drawer

a lot user complain about slow statusbar pull down introduced
with jb 4.2....this speed it up

thanks to IceColdJelly

Change-Id: Iae108f5680b25ea995168a505a30e06bef0185d3
Signed-off-by: Rob Beane <robbeane@gmail.com>