g2: switch to dynamic composition

- performs better

Change-Id: Ib8367f23a38de8fe977b3beb0622b3874d22ca77
Signed-off-by: bart452 <bart4524@gmail.com>
g2: increase offload buffersize

- less audio stutter

Signed-off-by: bart452 <bart4524@gmail.com>
Change-Id: I39ac49a8acd5442c60f3e67109fc2fa118080ef0