Add option to disable searchbar in recents [1/2]
+ needed SystemSettingSwitchPreference class from cm

Coded by yashade2001.

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

Conflicts:
	res/values/disco_strings.xml

Change-Id: I17b8c9eb7a3010b692f54d5f482890950bd8b888