Remove duplicate ic_menu_add_white.

Bug: 123829919
Test: mp settingsg
Change-Id: I88e0dde22762eb6bc019361222ffe783b1c15133

res/drawable/ic_menu_add_white.xml

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2016 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.
--->
-
-<vector
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0"
-    android:tint="?android:attr/colorControlNormal">
-    <path
-        android:fillColor="#FFFFFFFF"
-        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
-</vector>

res/menu/vpn.xml

@@ -18,6 +18,6 @@
     <item
         android:id="@+id/vpn_create"
         android:title="@string/vpn_create"
-        android:icon="@drawable/ic_menu_add_white"
+        android:icon="@drawable/ic_menu_add"
         android:showAsAction="always" />
 </menu>

src/com/android/settings/inputmethod/UserDictionarySettings.java

@@ -154,7 +154,7 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         MenuItem actionItem =
                 menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title)
-                        .setIcon(R.drawable.ic_menu_add_white);
+                        .setIcon(R.drawable.ic_menu_add);
         actionItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM |
                 MenuItem.SHOW_AS_ACTION_WITH_TEXT);
     }

src/com/android/settings/network/ApnSettings.java

@@ -351,7 +351,7 @@ public class ApnSettings extends RestrictedSettingsFragment
             if (mAllowAddingApns) {
                 menu.add(0, MENU_NEW, 0,
                         getResources().getString(R.string.menu_new))
-                        .setIcon(R.drawable.ic_menu_add_white)
+                        .setIcon(R.drawable.ic_menu_add)
                         .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
             }
             menu.add(0, MENU_RESTORE, 0,