encoder: fix invalid free of raw buffers am: 3e73f0d562 am: 39fd5ebf08 am: af5bd177be am: a45e73ed02 am: 353eceeda0 am: 777d5a86d5 am: de22cbeceb am: f07c18b1d6 am: 6260b92bcd

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libavc/+/14392080

Change-Id: Ie86dd6c5b0e89a9950dd2cf4c6345d4cc3643dcf