Implement android_app_set module

Bug: 152319766
Test: manual and builtin
Change-Id: Id0877476f9ae23311d92c0b59a9c568140ab4119
diff --git a/java/testing.go b/java/testing.go
index 7d7cb57..53181a0 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -92,6 +92,8 @@
 		"prebuilts/apk/app_xhdpi.apk":  nil,
 		"prebuilts/apk/app_xxhdpi.apk": nil,
 
+		"prebuilts/apks/app.apks": nil,
+
 		// For framework-res, which is an implicit dependency for framework
 		"AndroidManifest.xml":                        nil,
 		"build/make/target/product/security/testkey": nil,