Remove RTC_NOTREACHED from audio_send_stream when ANA didn't work
Remove RTC_NOTREACHED from audio_send_stream when ANA didn't work

Bug: None
Change-Id: Id3181827470aba8e486073380911db5873c7dd0a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/169800
Commit-Queue: Alejandro Luebs <80a806bf14a2e05b9ab3c3cc7ac01844830ded99@webrtc.org>
Reviewed-by: Karl Wiberg <2c708eb0a58047bf403399f50b3da33ffd2dd444@webrtc.org>
Reviewed-by: Minyue Li <102e225d2aadac8dd4015cd04db7d6cd89bdb304@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#30730}

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