Replaced PORT_OFFSET with USE_PORT
Replaced PORT_OFFSET with USE_PORT

Reviewed By: asm89

Differential Revision: D2922519

fb-gh-sync-id: 7fe16525912c50d06d79313c3b4dc0d645edec60
shipit-source-id: 7fe16525912c50d06d79313c3b4dc0d645edec60

ymin/WebDriverAgent,PiranhaTeam/WebDriverAgent,zenzhu/WebDriverAgent,riccoyu/WebDriverAgent,truveris/WebDriverAgent,truveris/WebDriverAgent,rafael-chavez/WebDriverAgent,riccoyu/WebDriverAgent,ymin/WebDriverAgent,Gogle/WebDriverAgent,calabash/WebDriverAgent,qa-dev/WebDriverAgent,zenzhu/WebDriverAgent,drptbl/WebDriverAgent,calabash/WebDriverAgent,drptbl/WebDriverAgent,b1ueshad0w/WebDriverAgent,b1ueshad0w/WebDriverAgent,b1ueshad0w/WebDriverAgent,riccoyu/WebDriverAgent,drptbl/WebDriverAgent,truveris/WebDriverAgent,qa-dev/WebDriverAgent,PiranhaTeam/WebDriverAgent,ymin/WebDriverAgent,qa-dev/WebDriverAgent,riccoyu/WebDriverAgent,truveris/WebDriverAgent,Gogle/WebDriverAgent,PiranhaTeam/WebDriverAgent,calabash/WebDriverAgent,PiranhaTeam/WebDriverAgent,PiranhaTeam/WebDriverAgent,rafael-chavez/WebDriverAgent,Gogle/WebDriverAgent,rafael-chavez/WebDriverAgent,truveris/WebDriverAgent,Gogle/WebDriverAgent,b1ueshad0w/WebDriverAgent,zenzhu/WebDriverAgent,ymin/WebDriverAgent,qa-dev/WebDriverAgent