Add an option to disable searchbar in recents [2/2]
by yashade2001...

and add helper pref (SystemSettingSwitchPreference) from cm

Signed-off-by: Yashar Ahmedizadeh <yashade2001@gmail.com>
Signed-off-by: cj360 <ayunker551@gmail.com>

Conflicts:
	res/values/disco_strings.xml

Change-Id: Id41d8ad48f8e6d88e411985ae87be2770925d6de