Update icon

app/src/leanback/AndroidManifest.xml

@@ -16,7 +16,7 @@
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 
-    <application android:banner="@drawable/ic_banner">
+    <application android:banner="@mipmap/ic_banner">
 
         <meta-data
             android:name="design_width_in_dp"

app/src/leanback/res/mipmap-anydpi-v26/ic_banner.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/white" />
+    <foreground android:drawable="@mipmap/ic_banner_foreground" />
+</adaptive-icon>