Add go.mod file for go1.11
With this and go1.11beta2, the standard go tools can be used in
build/soong without creating a $GOPATH using something like
setup_go_workspace_for_soong.
Test: go vet android/soong/...
Change-Id: I3c69499b010c8f7f64666208efead4ddb3584b3c
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..cc328e0
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,9 @@
+module android/soong
+
+require github.com/golang/protobuf v0.0.0
+
+require github.com/google/blueprint v0.0.0
+
+replace github.com/golang/protobuf v0.0.0 => ../../external/golang-protobuf
+
+replace github.com/google/blueprint v0.0.0 => ../blueprint