android: frontend: New and improved launcher icon.

src/android/app/src/main/AndroidManifest.xml

@@ -21,11 +21,11 @@
     <application
         android:name=".CitraApplication"
         android:label="@string/app_name"
-        android:icon="@drawable/ic_launcher"
+        android:icon="@mipmap/ic_launcher"
         android:allowBackup="true"
         android:supportsRtl="true"
         android:isGame="true"
-        android:banner="@drawable/ic_launcher">
+        android:banner="@mipmap/ic_launcher">
 
         <activity
             android:name=".ui.main.MainActivity"

src/android/app/src/main/res/layout/activity_main.xml

@@ -34,6 +34,6 @@
         app:borderWidth="0dp"
         app:layout_anchor="@+id/games_platform_frame"
         app:layout_anchorGravity="bottom|right|end"
-        app:rippleColor="?android:colorPrimaryDark" />
+        app:rippleColor="?android:colorPrimary" />
 
 </android.support.design.widget.CoordinatorLayout>

src/android/app/src/main/res/layout/tv_title.xml

@@ -25,7 +25,7 @@
             android:id="@+id/badge"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:src="@drawable/ic_launcher"/>
+            android:src="@mipmap/ic_launcher"/>
 
     </RelativeLayout>
 </android.support.v17.leanback.widget.TitleView>

src/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

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

src/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

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

src/android/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>