Android: Use the newInstance pattern for EmulationFragment.

Source/Android/app/src/main/res/layout/activity_emulation.xml

@@ -3,9 +3,8 @@
              android:layout_height="match_parent"
              android:id="@+id/frame_content">
 
-    <fragment
-        android:id="@+id/fragment_emulation"
-        android:name="org.dolphinemu.dolphinemu.fragments.EmulationFragment"
+    <FrameLayout
+        android:id="@+id/frame_emulation_fragment"
         android:layout_width="match_parent"
         android:layout_height="match_parent"/>