codecs: handle onReset() for a few encoders am: 5443b57cc5 am: 89f501d046 am: 4f428b7c02 am: a5e72ec799 am: 787a5136f0 am: 83485b615e
am: 58f7175ed4

Change-Id: Ib5d28de651178b0ab7cd3e44793a6078d904ff4c