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

Coded by yashade2001 <yashade2001@gmail.com>

Liquid Edit: Formated Code and squashed into 1 commit

AICP:
fix logic

Signed-off-by: Yashar Ahmedizadeh <yashade2001@gmail.com>
Change-Id: I99fe0e2be214fcf55634b36bff2720c0c6265a0f
Disable/Enable screenshot sound [1/2]

Change-Id: I9f32d0026833f9350a2e8e4bedaff3801f508e76
add VoiceWakeup Settings value

Change-Id: I798d1ed9b2bda0fe8a36b8fa2bd17d74d2a09cab
environment: return external dir if secondary is not defined

If the device doesn't define a secondary storage, then return external storage
as secondary storage

Patchset 2: do not break the api

Change-Id: I9d94a01881f47977ef1a26c3648b3da1d8c63b57
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>