grus: Set default hotspot ssid

Added a device specific overlay that changes the default name
from "AndroidAp" to customized name

Test: Builds, manually verified name change
Bug: 36368950
Change-Id: I38a5f6fb950d6a45342080bae186a8ed276d94bf

device.mk

@@ -42,5 +42,9 @@ PRODUCT_SHIPPING_API_LEVEL := 28
 PRODUCT_SOONG_NAMESPACES += \
     $(LOCAL_PATH)
 
+# WiFi
+PRODUCT_PACKAGES += \
+    TargetWifiOverlay
+
 # Inherit from the proprietary version
 $(call inherit-product, vendor/xiaomi/grus/grus-vendor.mk)

rro_overlays/WifiOverlay/Android.bp

@@ -0,0 +1,7 @@
+runtime_resource_overlay {
+    name: "TargetWifiOverlay",
+    theme: "TargetWifiOverlay",
+    certificate: "platform",
+    sdk_version: "current",
+    product_specific: true
+}

rro_overlays/WifiOverlay/AndroidManifest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<!-- Xiaomi Mi 9 SE specific wifi overlays -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.wifi.resources.grus"
+    android:versionCode="1"
+    android:versionName="1.0">
+    <application android:hasCode="false" />
+    <overlay
+      android:targetPackage="com.android.wifi.resources"
+      android:targetName="WifiCustomization"
+      android:isStatic="true"
+      android:priority="1"/>
+</manifest>

rro_overlays/WifiOverlay/res/values/config.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+<resources>
+    <!-- Default access point SSID used for tethering -->
+    <string name="wifi_tether_configure_ssid_default" translatable="false">Xiaomi Mi 9 SE</string>
+</resources>