Recorder: adaptive icon

Change-Id: Ie729ab6146d61121df77a0d2e42cafd62fe56b5f
Signed-off-by: Joey <joey@lineageos.org>

app/src/main/res/mipmap-anydpi/ic_launcher.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2018 The LineageOS 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.
+-->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@mipmap/ic_background"/>
+    <foreground android:drawable="@mipmap/ic_foreground"/>
+</adaptive-icon>
+