Fix some wrong tcpinfo name and comments
Fix some wrong tcpinfo name and comments

Summary:
Drop the non-RTO retransmission out of the TCPInfo Trace Event, and
change the "packet_loss" to 'inflight_packet_loss'

Test Plan: unit test and mvn unit test

Reviewed By: mzlee@fb.com

Subscribers: bmatheny, marauder-realtime@, seanc

FB internal diff: D2224056

Tasks: 7150682

Signature: t1:2224056:1436307346:c358f9970907681b9766d2a84336e6e0680ca0a9

supriyantomaftuh/proxygen,supriyantomaftuh/proxygen,raphaelamorim/proxygen,KublaikhanGeek/proxygen,wrmsr/proxygen,jgli/proxygen,Orvid/proxygen,hiproz/proxygen,jgli/proxygen,zhiweicai/proxygen,fqihangf/proxygen,chenmoshushi/proxygen,KublaikhanGeek/proxygen,sssemil/proxygen,Orvid/proxygen,hiproz/proxygen,sssemil/proxygen,chenmoshushi/proxygen,raphaelamorim/proxygen,fqihangf/proxygen,hnutank163/proxygen,chjp2046/proxygen,pueril/proxygen,Orvid/proxygen,hiproz/proxygen,chenmoshushi/proxygen,raphaelamorim/proxygen,zhiweicai/proxygen,hnutank163/proxygen,pueril/proxygen,Werror/proxygen,wrmsr/proxygen,KublaikhanGeek/proxygen,hongliangzhao/proxygen,Werror/proxygen,chjp2046/proxygen,LilMeyer/proxygen,Werror/proxygen,zhiweicai/proxygen,songfj/proxygen,Werror/proxygen,wrmsr/proxygen,sssemil/proxygen,chenmoshushi/proxygen,chjp2046/proxygen,songfj/proxygen,fqihangf/proxygen,hongliangzhao/proxygen,wrmsr/proxygen,hongliangzhao/proxygen,jgli/proxygen,hiproz/proxygen,LilMeyer/proxygen,chjp2046/proxygen,songfj/proxygen,Orvid/proxygen,LilMeyer/proxygen,hongliangzhao/proxygen,jgli/proxygen,hnutank163/proxygen,supriyantomaftuh/proxygen,zhiweicai/proxygen,fqihangf/proxygen,raphaelamorim/proxygen,sssemil/proxygen,supriyantomaftuh/proxygen,pueril/proxygen,pueril/proxygen,songfj/proxygen,hnutank163/proxygen,KublaikhanGeek/proxygen,LilMeyer/proxygen