Bump golang.org/x/tools from 0.1.10 to 0.1.11 in /test/tools

Bumps [golang.org/x/tools](https://github.com/golang/tools) from 0.1.10 to 0.1.11.
- [Release notes](https://github.com/golang/tools/releases)
- [Commits](https://github.com/golang/tools/compare/v0.1.10...v0.1.11)

---
updated-dependencies:
- dependency-name: golang.org/x/tools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

test/tools/vendor/github.com/hashicorp/go-version/.travis.yml

@@ -1,6 +1,6 @@
-language: go
+language: go 
 
-go:
+go: 
   - 1.2
   - 1.3
   - 1.4
@@ -8,6 +8,6 @@ go:
   - "1.10"
   - 1.11
   - 1.12
-
+  
 script:
-  - go test
+  - go test 

test/tools/vendor/github.com/hashicorp/go-version/LICENSE

@@ -351,3 +351,4 @@ Exhibit B - “Incompatible With Secondary Licenses” Notice
       This Source Code Form is “Incompatible
       With Secondary Licenses”, as defined by
       the Mozilla Public License, v. 2.0.
+