Allow method chaining on setters
Allow method chaining on setters

Return "this" from the setter functions so that the methods can be
chained.

Change-Id: I5b03f1a9f265af451f5b1807347007569483b580

RandoApp/volley,google/volley,rfdy/volley,XinyueZ/GoogleVolley,RandoApp/volley,google/volley,gsmiro/volley