g3: Don't use HW AAC encoder

Change-Id: Ib7c9c7db7f9a4f644f5e6647faff51f5a2ce22bc
g3: use AwesomePlayer by default

Change-Id: I02b0e82eee1b919a0e0b441e19fdd7acc1268344
g3: update media codecs

Change-Id: I98f84394de19471d00bcb127bb0a266850270535
g3: increase heapgrowthlimit to 256

Change-Id: I28535381bbec048f5237065eb9f7f933b2f106df