Make Parser.buildTargetGraph private
Make Parser.buildTargetGraph private

Reviewed By: bobyangyf

fbshipit-source-id: e58c462

shs96c/buck,Addepar/buck,Addepar/buck,romanoid/buck,SeleniumHQ/buck,nguyentruongtho/buck,zpao/buck,LegNeato/buck,brettwooldridge/buck,LegNeato/buck,facebook/buck,LegNeato/buck,zpao/buck,brettwooldridge/buck,Addepar/buck,shs96c/buck,JoelMarcey/buck,nguyentruongtho/buck,rmaz/buck,JoelMarcey/buck,SeleniumHQ/buck,romanoid/buck,rmaz/buck,JoelMarcey/buck,romanoid/buck,LegNeato/buck,Addepar/buck,zpao/buck,kageiit/buck,romanoid/buck,rmaz/buck,shs96c/buck,romanoid/buck,JoelMarcey/buck,brettwooldridge/buck,SeleniumHQ/buck,romanoid/buck,JoelMarcey/buck,SeleniumHQ/buck,brettwooldridge/buck,romanoid/buck,zpao/buck,brettwooldridge/buck,shs96c/buck,Addepar/buck,brettwooldridge/buck,shs96c/buck,JoelMarcey/buck,JoelMarcey/buck,rmaz/buck,brettwooldridge/buck,Addepar/buck,rmaz/buck,brettwooldridge/buck,JoelMarcey/buck,Addepar/buck,nguyentruongtho/buck,brettwooldridge/buck,nguyentruongtho/buck,Addepar/buck,Addepar/buck,shs96c/buck,SeleniumHQ/buck,SeleniumHQ/buck,JoelMarcey/buck,romanoid/buck,Addepar/buck,zpao/buck,shs96c/buck,rmaz/buck,LegNeato/buck,zpao/buck,rmaz/buck,romanoid/buck,SeleniumHQ/buck,romanoid/buck,shs96c/buck,shs96c/buck,LegNeato/buck,shs96c/buck,kageiit/buck,kageiit/buck,facebook/buck,rmaz/buck,facebook/buck,LegNeato/buck,LegNeato/buck,LegNeato/buck,shs96c/buck,SeleniumHQ/buck,facebook/buck,Addepar/buck,SeleniumHQ/buck,Addepar/buck,shs96c/buck,zpao/buck,SeleniumHQ/buck,shs96c/buck,nguyentruongtho/buck,rmaz/buck,rmaz/buck,kageiit/buck,LegNeato/buck,JoelMarcey/buck,nguyentruongtho/buck,rmaz/buck,facebook/buck,romanoid/buck,facebook/buck,brettwooldridge/buck,SeleniumHQ/buck,LegNeato/buck,romanoid/buck,SeleniumHQ/buck,kageiit/buck,LegNeato/buck,brettwooldridge/buck,kageiit/buck,rmaz/buck,JoelMarcey/buck,Addepar/buck,brettwooldridge/buck,brettwooldridge/buck,SeleniumHQ/buck,kageiit/buck,LegNeato/buck,JoelMarcey/buck,JoelMarcey/buck,nguyentruongtho/buck,romanoid/buck,facebook/buck,rmaz/buck