Set min and max rate on caller and on callee side.

BUG=webrtc:6518

Review-Url: https://codereview.webrtc.org/2410903002
Cr-Original-Commit-Position: refs/heads/master@{#14666}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 53fe19d6f351ef396a62cd751878770665d1d989
1 file changed