Added module_name to license metadata

Test: m droid dist

Change-Id: Idfe01da3c41adc1354112cc4b44e035feca61a7b
diff --git a/android/license_metadata.go b/android/license_metadata.go
index 4ee5bf7..18b63d3 100644
--- a/android/license_metadata.go
+++ b/android/license_metadata.go
@@ -98,6 +98,11 @@
 	var orderOnlyDeps Paths
 	var args []string
 
+	if n := ctx.ModuleName(); n != "" {
+		args = append(args,
+			"-mn "+proptools.NinjaAndShellEscape(n))
+	}
+
 	if t := ctx.ModuleType(); t != "" {
 		args = append(args,
 			"-mt "+proptools.NinjaAndShellEscape(t))