Make double tap wakeup cancel notification leds again

As a side effect the touchscreen iput grabbing logic blocks double
tap events from reaching the led plugin.

To fix, explicitly emit user activity event if double tap is used
for unblanking the display.

[mce] Make double tap wakeup cancel notification leds again. Fixes JB#17389
Merge pull request #139 from spiiroin/deactivate_type6_led

Make double tap wakeup cancel notification leds again