gofmt soong

Test: Presubmits
Change-Id: Ia76c35ba51685eca29df51738000eacd3f43ce20
diff --git a/java/dexpreopt_config_testing.go b/java/dexpreopt_config_testing.go
index 176c251..41d4b72 100644
--- a/java/dexpreopt_config_testing.go
+++ b/java/dexpreopt_config_testing.go
@@ -77,7 +77,7 @@
 
 func PrepareApexBootJarModule(apexName string, moduleName string) android.FixturePreparer {
 	moduleSourceDir := fmt.Sprintf("packages/modules/%s", apexName)
-	fragmentName := apexName+"-bootclasspath-fragment"
+	fragmentName := apexName + "-bootclasspath-fragment"
 	imageNameProp := ""
 	if apexName == "com.android.art" {
 		fragmentName = "art-bootclasspath-fragment"