Enable powerTorch with screen on

[mustanggb]

I would like powerTorch to also work with the screen on.

The difficult part seems to be still allowing the combo/multi button long presses to function.

Obviously with the combo's you try to press the buttons at the same time, but inevitably one button is pressed a fraction before the other.

This code allows the volumeUp+power (power menu) and volumeDown+power (screenshot) to work correctly.

But doesn't detect power+volumeUp and power+volumeDown, and instead toggles the torch.

Any hints on how to do this better would be appreciated.

I tried adding InputMethodService.onKeyDown() and InputMethodService.onKeyUp() but they didn't have any noticeable effect.

Also, if you were to accept such a feature addition what would be the best way to add it; would it be best to change the existing powerTorch, or leave it alone and add this as a new option?