DevSettings: Fix the root-access toggle in eng builds

It was being unconditionally removed, put it back

Change-Id: I8eecab7353c59b224d917cc1710124f57656cf47
SoundSettings: Show DSPManager

Change-Id: I199150b82c6f5eb72f419dc8c70fb27ed24fbfda
Signed-off-by: iceandfire <arhamjamal@gmail.com>

Conflicts:
	res/xml/sound_settings.xml