dev/devcam: import vendor files as-is, do not require gofmt

Change-Id: If3afd3769dbad0a20bd8ff2f2bbb5eb9f89f345a

dev/devcam/hook.go

@@ -337,6 +337,10 @@ func gofmtRequired(file string) bool {
 	if !strings.HasSuffix(file, ".go") {
 		return false
 	}
+	// vendor files should be imported as-is
+	if strings.HasPrefix(file, "vendor/") {
+		return false
+	}
 	if !strings.HasPrefix(file, "test/") {
 		return true
 	}