wifi: Add WifiOverlay2023Mid

Bug: 213272246
Test: Overlay config can be read correctly
Change-Id: Ice3cefcc45498fdafede5c7d1a749f85a440bc1d

rro_overlays/WifiOverlay/Android.bp

@@ -0,0 +1,18 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "//device/google/lynx:device_google_lynx_license""
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: [
+        "//device/google/lynx:device_google_lynx_license",
+    ],
+}
+
+runtime_resource_overlay {
+    name: "WifiOverlay2023Mid",
+    theme: "WifiOverlay2023Mid",
+    certificate: "platform",
+    sdk_version: "current",
+    product_specific: true
+}