[hack] Fixed comments for the build
[hack] Fixed comments for the build

Summary: buildEgo and buildMobile require comments, so we load them lazily.

Reviewed By: oulgen

Differential Revision: D4122315

fbshipit-source-id: 067e6caf9baa9ce5202e9e4d3f637ddf62671e49

jamesgpearce/flow,gabelevi/flow,popham/flow,ForbesLindesay/flow,JonathanUsername/flow,facebook/flow,samwgoldman/flow,ylu1317/flow,MichaelDeBoey/flow,facebook/flow,samwgoldman/flow,ylu1317/flow,nmote/flow,claudiopro/flow,ylu1317/flow,mroch/flow,nmote/flow,claudiopro/flow,facebook/flow,facebook/flow,MichaelDeBoey/flow,ForbesLindesay/flow,ForbesLindesay/flow,nmote/flow,fletcherw/flow,facebook/flow,ForbesLindesay/flow,TiddoLangerak/flow,popham/flow,JonathanUsername/flow,gabro/flow,ForbesLindesay/flow,TiddoLangerak/flow,samwgoldman/flow,jamesgpearce/flow,claudiopro/flow,gabro/flow,JonathanUsername/flow,fletcherw/flow,gabelevi/flow,mroch/flow,TiddoLangerak/flow,popham/flow,gabelevi/flow,claudiopro/flow,fletcherw/flow,MichaelDeBoey/flow,mroch/flow,gabro/flow,ylu1317/flow,TiddoLangerak/flow,ylu1317/flow,fletcherw/flow,facebook/flow,AgentME/flow,gabro/flow,fletcherw/flow,nmote/flow,jamesgpearce/flow,samwgoldman/flow,gabelevi/flow,nmote/flow,popham/flow,samwgoldman/flow,popham/flow,nmote/flow,TiddoLangerak/flow,popham/flow,mroch/flow,jamesgpearce/flow,AgentME/flow,MichaelDeBoey/flow,JonathanUsername/flow,ForbesLindesay/flow,gabelevi/flow,popham/flow,JonathanUsername/flow,AgentME/flow,JonathanUsername/flow,fletcherw/flow,nmote/flow,gabelevi/flow,jamesgpearce/flow,mroch/flow,MichaelDeBoey/flow,AgentME/flow,AgentME/flow,jamesgpearce/flow,gabelevi/flow,claudiopro/flow,mroch/flow,mroch/flow,samwgoldman/flow,gabro/flow,JonathanUsername/flow,facebook/flow,gabro/flow,samwgoldman/flow,jamesgpearce/flow