[infra] Fix Go builds

Change-Id: I7e89cb18fd15a4852f38afd846d943e7732d1ddb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216341
Reviewed-by: Ben Wagner aka dogben <benjaminwagner@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
4 files changed