don't update server status when monitor is disabled
don't update server status when monitor is disabled

Reviewed By: gabelevi

Differential Revision: D6386398

fbshipit-source-id: 90466e03a336c0953e13449030f433d10fcb7521

jamesgpearce/flow,JonathanUsername/flow,jamesgpearce/flow,claudiopro/flow,samwgoldman/flow,nmote/flow,claudiopro/flow,popham/flow,JonathanUsername/flow,gabelevi/flow,gabelevi/flow,gabelevi/flow,popham/flow,samwgoldman/flow,samwgoldman/flow,jamesgpearce/flow,mroch/flow,gabelevi/flow,popham/flow,facebook/flow,AgentME/flow,samwgoldman/flow,mroch/flow,JonathanUsername/flow,nmote/flow,nmote/flow,mroch/flow,samwgoldman/flow,popham/flow,JonathanUsername/flow,facebook/flow,popham/flow,nmote/flow,nmote/flow,JonathanUsername/flow,popham/flow,jamesgpearce/flow,facebook/flow,nmote/flow,mroch/flow,mroch/flow,claudiopro/flow,samwgoldman/flow,AgentME/flow,AgentME/flow,facebook/flow,jamesgpearce/flow,claudiopro/flow,gabelevi/flow,gabelevi/flow,jamesgpearce/flow,claudiopro/flow,jamesgpearce/flow,gabelevi/flow,AgentME/flow,popham/flow,JonathanUsername/flow,mroch/flow,samwgoldman/flow,facebook/flow,nmote/flow,JonathanUsername/flow,facebook/flow,AgentME/flow,mroch/flow,facebook/flow