go.mobile/example/gopher: import generated gopher data
As you can't see it in the review tool, there is a copyright
notice in gopher.obj:
The Go gopher was designed by Renee French. (http://reneefrench.blogspot.com/)
The gopher 3D model was made by Takuya Ueda (http://u.hinoichi.net).
Licensed under the Creative Commons 3.0 Attributions license.
Model from http://github.com/golang-samples/gopher-3d
LGTM=adg, nigeltao
R=nigeltao, adg, bryanturley
CC=davidday, golang-codereviews
https://golang.org/cl/143840044