Merge "C2SoftAvcEnc: Allocate output buffer as per clip's dimensions" into qt-dev am: 345960f7c1 am: b36cd60c18

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/14722320

Change-Id: Icbc710816b835cc8936f870aac15859939d5f46c