Update dependencies

vendor/google.golang.org/grpc/.travis.yml

@@ -0,0 +1,21 @@
+language: go
+
+go:
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+
+matrix:
+  include:
+  - go: 1.9.x
+    env: ARCH=386
+
+go_import_path: google.golang.org/grpc
+
+before_install:
+  - if [[ "$TRAVIS_GO_VERSION" = 1.9* && "$ARCH" != "386" ]]; then ./vet.sh -install || exit 1; fi
+
+script:
+  - if [[ "$TRAVIS_GO_VERSION" = 1.9* && "$ARCH" != "386" ]]; then ./vet.sh || exit 1; fi
+  - make test testrace