Add a treble-overlay-wifi5g to declare dual-band wifi. Actual hardware detection is done in rw-system
diff --git a/Wifi5G/Android.mk b/Wifi5G/Android.mk
new file mode 100644
index 0000000..4d6416c
--- /dev/null
+++ b/Wifi5G/Android.mk
@@ -0,0 +1,7 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_PACKAGE_NAME := treble-overlay-wifi5g
+LOCAL_MODULE_PATH := $(TARGET_OUT)/overlay
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
+include $(BUILD_PACKAGE)