Fix nr of bytes sent to Opus decoder in DTX mode
Fix nr of bytes sent to Opus decoder in DTX mode

BUG=webrtc:7144

Review-Url: https://codereview.webrtc.org/2693453003
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#16542}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 9238245d9b752481a79f44b046d009ac6df85420

Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk