toolchain-utils:  Fix the testing patches for Go.

The Go testing instructions include applying 7 patches.  The patches
applied cleanly to 1.10.2, but not to any later version of Go.  This
CL updates that patches for the later versions of Go.

BUG=chromium:924271
TEST=patches apply cleanly to their versions; re-ran tests to make
sure nothing broke.

Change-Id: I3ffe87876f215bfb6d37cc6a9f0fbc88325d13c1
Reviewed-on: https://chromium-review.googlesource.com/1427342
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Luis Lozano <llozano@chromium.org>
21 files changed