hammerhead: Add more formats to offload path

Change-Id: I9e98adc4d1ae269636bcbc7fbc54fc6aa0c25da8
hammerhead: Provide our own audio effects

Change-Id: I0a81a5270a6446a0c7cdccc21fc0cd793bface1f
hammerhead: Add AudioFX blob

Change-Id: Id25b403dd5531d80eba481584a6d3d4416faf7cf