Move BaseAudioProcessor abstract class to common.

This is a prerequisite step to making the `ResamplingAudioProcessor` public.

PiperOrigin-RevId: 501545561
This commit is contained in:
samrobinson 2023-01-12 14:11:04 +00:00 committed by Rohit Singh
parent 0ba0c0ed43
commit 8ccb8b64ae