Android: Add an option for disabling native motion controls

Source/Android/app/src/main/res/values/strings.xml

@@ -314,6 +314,7 @@
     <string name="emulation_ir_sensitivity">IR Sensitivity</string>
     <string name="emulation_choose_doubletap">Double tap button</string>
     <string name="emulation_screen_orientation">Screen Orientation</string>
+    <string name="emulation_motion_controls">Motion Controls</string>
 
     <!-- GC Adapter Menu-->
     <string name="gc_adapter_rumble">Enable Vibration</string>