[Q] Toggle Input Method Checkbox via Keyboard Event

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http://forum.xda-developers.com – I am attempting to connect a bluetooth keyboard to my Nexus Q. Because the Q has no native touch/keyboard interfaces I have been controlling it by sending key events via ADB. I have installed BlueKeyboard JP and need to activate it. That is done under Settings -> Language & Input. I need to check the checkbox next to BlueKeyboard JP. I can't seem to find a keyboard event that will do check the box. I have replicated the issue on my Nexus 7 where I can simply tap the checkbox to toggle it. Using the bluetooth keyboard on my Nexus 7 I am unable to toggle the same checkbox using a (HowTos)