2abe427417
Reason for revert: This will take longer time for the RTT to converge. Need to update the RTT calculation algorithm if doing this. Original issue's description: > Increase the stun ping interval. > > Writable connections are pinged at a slower rate. > The function IsPingable will filter out the writable connections. > The interval for slower ping rate by default is WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration. > > BUG=webrtc:1161 > > Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0 > Cr-Commit-Position: refs/heads/master@{#12736} TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org # Not skipping CQ checks because original CL landed more than 1 days ago. BUG=webrtc:1161 Review URL: https://codereview.webrtc.org/1982713002 . Cr-Commit-Position: refs/heads/master@{#12762}