Fix bug: allow multiple gen_notice modules.

Test: m cts dist reportmissinglicenses

Change-Id: I07963c83eaddfe363a04871e813b56fe7f1465ad
diff --git a/java/app.go b/java/app.go
index bc7264c..c61c4e5 100755
--- a/java/app.go
+++ b/java/app.go
@@ -656,7 +656,7 @@
 
 	if Bool(a.appProperties.Embed_notices) || ctx.Config().IsEnvTrue("ALWAYS_EMBED_NOTICES") {
 		noticeFile := android.PathForModuleOut(ctx, "NOTICE.html.gz")
-		android.BuildNoticeHtmlOutputFromLicenseMetadata(ctx, noticeFile, "", a.outputFile.String())
+		android.BuildNoticeHtmlOutputFromLicenseMetadata(ctx, noticeFile, "", "", a.outputFile.String())
 		noticeAssetPath := android.PathForModuleOut(ctx, "NOTICE", "NOTICE.html.gz")
 		builder := android.NewRuleBuilder(pctx, ctx)
 		builder.Command().Text("cp").