Android: Convert WiiUpdateCallback to Kotlin

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.java

@@ -1,11 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu.utils;
-
-import androidx.annotation.Keep;
-
-public interface WiiUpdateCallback
-{
-  @Keep
-  boolean run(int processed, int total, long titleId);
-}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.kt

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.utils
+
+import androidx.annotation.Keep
+
+@Keep
+fun interface WiiUpdateCallback {
+    fun run(processed: Int, total: Int, titleId: Long): Boolean
+}