Update app alias for Android TV

Author: dragonx943

app/src/main/AndroidManifest.xml

@@ -69,11 +69,16 @@
 
 		<activity
 			android:name="org.draken.usagi.main.ui.MainActivity"
-			android:exported="true">
+			android:exported="true"
+			android:banner="@mipmap/tv_banner">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN" />
 				<category android:name="android.intent.category.LAUNCHER" />
 			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN" />
+				<category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+			</intent-filter>
 			<meta-data
 				android:name="android.app.default_searchable"
 				android:value="org.draken.usagi.search.ui.multi.MultiSearchActivity" />

app/src/main/res/mipmap-anydpi-v26/tv_banner.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/launcher_background"/>
+    <foreground android:drawable="@mipmap/tv_banner_foreground"/>
+    <monochrome android:drawable="@mipmap/tv_banner_foreground"/>
+</adaptive-icon>