android: frontend: Update to new icon resources.

src/android/app/src/main/java/org/citra/citra_android/utils/PermissionsHandler.java

@@ -56,7 +56,7 @@ public class PermissionsHandler {
     private static void showMessageOKCancel(final FragmentActivity activity, String message,
                                             DialogInterface.OnClickListener okListener) {
         new AlertDialog.Builder(activity)
-                .setIcon(R.drawable.ic_citra)
+                .setIcon(R.drawable.ic_launcher)
                 .setMessage(message)
                 .setPositiveButton(android.R.string.ok, okListener)
                 .setNegativeButton(android.R.string.cancel, (dialogInterface, i) ->

src/android/app/src/main/java/org/citra/citra_android/utils/StartupHandler.java

@@ -36,7 +36,7 @@ public final class StartupHandler {
             // Prompt user with standard first boot disclaimer
             AlertDialog.Builder builder = new AlertDialog.Builder(parent);
             builder.setTitle(R.string.app_name);
-            builder.setIcon(R.drawable.ic_citra);
+            builder.setIcon(R.drawable.ic_launcher);
             builder.setMessage(parent.getResources().getString(R.string.app_disclaimer));
             builder.setPositiveButton("OK", null);