remove search bar in recents menu

Signed-off-by: Yashar Ahmedizadeh <yashade2001@gmail.com>
(cherry picked from commit 70d12420053e7d5277c9395a2abacf3f63bad07a)
pm: Add persist property to enable lazy dexopt

 * Add "persist.sys.lazy.dexopt" property to enable lazy dexopt
   on userdebug builds.  As much as I enjoy these 20 minute
   dexopt sessions, I prefer instant gratification.

Change-Id: I568692f04d67c3c0a1a138fb724eda41e24b1235