Add overrides to runtime_resource_overlay

Bug: 154928457
Test: app_test.go
Change-Id: Ia52bb9fd18c22b1a02d7b36afd41561cec0473f0
diff --git a/java/androidmk.go b/java/androidmk.go
index 7d57525..6f24f34 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -671,6 +671,7 @@
 			func(entries *android.AndroidMkEntries) {
 				entries.SetString("LOCAL_CERTIFICATE", r.certificate.AndroidMkString())
 				entries.SetPath("LOCAL_MODULE_PATH", r.installDir.ToMakePath())
+				entries.AddStrings("LOCAL_OVERRIDES_PACKAGES", r.properties.Overrides...)
 			},
 		},
 	}}