Allow wrapper to build with cros sdk.

Cros sdk uses go version 1.11.

BUG=chromium:773875
TEST=unit test

Change-Id: Ib76cb21b47f24263e3c0f9fad6321192ad4cf801
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1752535
Tested-by: Tobias Bosch <tbosch@google.com>
Reviewed-by: George Burgess <gbiv@chromium.org>
3 files changed