[Wi-Fi] Change material design Wi-Fi signal icon for Wi-Fi Direct

Original icon is also a material design Wi-Fi signal icon but
it's for notification. This one is for devices.

Bug: 134408491
Bug: 139336138
Test: visual
Change-Id: Id14ddbbcede458e2a9f8645d94ecf80d22fe9ab2

res/drawable/wifi_signal_dark.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 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.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
-    <item settings:state_encrypted="true" android:drawable="@drawable/wifi_signal_lock_dark" />
-    <item settings:state_encrypted="false" android:drawable="@drawable/wifi_signal_open_dark" />
-</selector>
-

res/drawable/wifi_signal_lock_dark.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 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.
--->
-
-<level-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:maxLevel="0" android:drawable="@drawable/ic_wifi_lock_signal_1_dark" />
-    <item android:maxLevel="1" android:drawable="@drawable/ic_wifi_lock_signal_2_dark" />
-    <item android:maxLevel="2" android:drawable="@drawable/ic_wifi_lock_signal_3_dark" />
-    <item android:maxLevel="3" android:drawable="@drawable/ic_wifi_lock_signal_4_dark" />
-</level-list>
-

res/drawable/wifi_signal_open_dark.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 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.
--->
-
-<level-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:maxLevel="0" android:drawable="@drawable/ic_wifi_signal_1_dark" />
-    <item android:maxLevel="1" android:drawable="@drawable/ic_wifi_signal_2_dark" />
-    <item android:maxLevel="2" android:drawable="@drawable/ic_wifi_signal_3_dark" />
-    <item android:maxLevel="3" android:drawable="@drawable/ic_wifi_signal_4_dark" />
-</level-list>
-

src/com/android/settings/wifi/p2p/WifiP2pPeer.java

@@ -58,7 +58,7 @@ public class WifiP2pPeer extends Preference {
         if (mRssi == Integer.MAX_VALUE) {
             mSignal.setImageDrawable(null);
         } else {
-            mSignal.setImageResource(R.drawable.wifi_signal_dark);
+            mSignal.setImageResource(R.drawable.wifi_signal);
             mSignal.setImageState(STATE_SECURED,  true);
         }
         mSignal.setImageLevel(getLevel());