Settings: Add mobile plan and private dns icons

- Taken from Google's material symbols and icons

Change-Id: I0f000193c3590a0c751713d1947778787a90ca47
Signed-off-by: penglezos <panagiotisegl@gmail.com>
diff --git a/res/drawable/ic_settings_mobile_plan.xml b/res/drawable/ic_settings_mobile_plan.xml
new file mode 100644
index 0000000..7a9739b
--- /dev/null
+++ b/res/drawable/ic_settings_mobile_plan.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: Material Design Authors / Google LLC
+     SPDX-License-Identifier: Apache-2.0
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M20,15.5c-1.25,0 -2.45,-0.2 -3.57,-0.57 -0.1,-0.03 -0.21,-0.05 -0.31,-0.05 -0.26,0 -0.51,0.1 -0.71,0.29l-2.2,2.2c-2.83,-1.44 -5.15,-3.75 -6.59,-6.58l2.2,-2.21c0.28,-0.27 0.36,-0.66 0.25,-1.01C8.7,6.45 8.5,5.25 8.5,4c0,-0.55 -0.45,-1 -1,-1L4,3c-0.55,0 -1,0.45 -1,1 0,9.39 7.61,17 17,17 0.55,0 1,-0.45 1,-1v-3.5c0,-0.55 -0.45,-1 -1,-1zM5.03,5h1.5c0.07,0.88 0.22,1.75 0.46,2.59L5.79,8.8c-0.41,-1.21 -0.67,-2.48 -0.76,-3.8zM19,18.97c-1.32,-0.09 -2.6,-0.35 -3.8,-0.76l1.2,-1.2c0.85,0.24 1.72,0.39 2.6,0.45v1.51zM12,3v10l3,-3h6L21,3h-9zM19,8h-5L14,5h5v3z"/>
+</vector>
diff --git a/res/drawable/ic_settings_private_dns.xml b/res/drawable/ic_settings_private_dns.xml
new file mode 100644
index 0000000..452aeed
--- /dev/null
+++ b/res/drawable/ic_settings_private_dns.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: Material Design Authors / Google LLC
+     SPDX-License-Identifier: Apache-2.0
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M19,15v4H5v-4h14m1,-2H4c-0.55,0 -1,0.45 -1,1v6c0,0.55 0.45,1 1,1h16c0.55,0 1,-0.45 1,-1v-6c0,-0.55 -0.45,-1 -1,-1zM7,18.5c-0.82,0 -1.5,-0.67 -1.5,-1.5s0.68,-1.5 1.5,-1.5 1.5,0.67 1.5,1.5 -0.67,1.5 -1.5,1.5zM19,5v4H5V5h14m1,-2H4c-0.55,0 -1,0.45 -1,1v6c0,0.55 0.45,1 1,1h16c0.55,0 1,-0.45 1,-1V4c0,-0.55 -0.45,-1 -1,-1zM7,8.5c-0.82,0 -1.5,-0.67 -1.5,-1.5S6.18,5.5 7,5.5s1.5,0.68 1.5,1.5S7.83,8.5 7,8.5z"/>
+</vector>
diff --git a/res/xml/network_and_internet.xml b/res/xml/network_and_internet.xml
index 2162c96..0b92ab6 100644
--- a/res/xml/network_and_internet.xml
+++ b/res/xml/network_and_internet.xml
@@ -64,6 +64,7 @@
     <com.android.settingslib.RestrictedPreference
         android:key="manage_mobile_plan"
         android:title="@string/manage_mobile_plan_title"
+        android:icon="@drawable/ic_settings_mobile_plan"
         android:persistent="false"
         android:order="19"
         settings:userRestriction="no_config_mobile_networks"
@@ -112,6 +113,7 @@
     <com.android.settings.network.PrivateDnsModeDialogPreference
         android:key="private_dns_settings"
         android:title="@string/select_private_dns_configuration_title"
+        android:icon="@drawable/ic_settings_private_dns"
         android:order="20"
         android:dialogTitle="@string/select_private_dns_configuration_dialog_title"
         android:dialogLayout="@layout/private_dns_mode_dialog"
diff --git a/res/xml/network_provider_internet.xml b/res/xml/network_provider_internet.xml
index f114dc6..4dd900c 100644
--- a/res/xml/network_provider_internet.xml
+++ b/res/xml/network_provider_internet.xml
@@ -66,6 +66,7 @@
     <com.android.settingslib.RestrictedPreference
         android:key="manage_mobile_plan"
         android:title="@string/manage_mobile_plan_title"
+        android:icon="@drawable/ic_settings_mobile_plan"
         android:persistent="false"
         android:order="19"
         settings:userRestriction="no_config_mobile_networks"
@@ -116,6 +117,7 @@
     <com.android.settings.network.PrivateDnsModeDialogPreference
         android:key="private_dns_settings"
         android:title="@string/select_private_dns_configuration_title"
+        android:icon="@drawable/ic_settings_private_dns"
         android:order="20"
         android:dialogTitle="@string/select_private_dns_configuration_dialog_title"
         android:dialogLayout="@layout/private_dns_mode_dialog"