lemonadep: overlay: Convert to RRO packages

Change-Id: Iae6ef9fa9743bd2447991ad11d38fa184b12981d

overlay/OPlusSystemUIResTarget/Android.bp

@@ -0,0 +1,10 @@
+//
+// Copyright (C) 2022 The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+runtime_resource_overlay {
+    name: "OPlusSystemUIResTarget",
+    sdk_version: "current",
+    device_specific: true,
+}