[easy] add this-type to dump_t on FunT/CallT
[easy] add this-type to dump_t on FunT/CallT

Summary: I found it helpful to see the `this` type of functions and their calls. also reformats them a little so they look kind of like function annotations, which makes it easier to remember which piece is which when reading the logs.

Reviewed By: samwgoldman

Differential Revision: D4161416

fbshipit-source-id: 3e6e2ae0d1e67521a46c22ed4498949544fab87e

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