r8s: rro_overlays: Move to Vendor

* For GSI compatibility.

Signed-off-by: Andrew Hexen <SyberHexen@gmail.com>
Change-Id: I21180e80de1109483f8ce0ab67fba021d4a74b08

rro_overlays/WifiOverlay/Android.bp

@@ -2,5 +2,5 @@ runtime_resource_overlay {
     name: "WifiOverlay",
     theme: "WifiOverlay",
     sdk_version: "current",
-    product_specific: true
+    vendor: true
 }