The PushResampler has a SincResampler per channel. Before this CL, it
was hard-coded to handle up to 2 channels. In this CL I made it handle
arbitrarily many.
Bug: webrtc:8649
Change-Id: Ia2f33e45535f8bbda59090f8a0847546ff7edd75
Reviewed-on: https://webrtc-review.googlesource.com/103000
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24928}