Revert "[mce] Better LED pattern management"
Revert "[mce] Better LED pattern management"

This reverts commit 670cd55e9a179684674035fd6345842974e0b9c1.

The logic here proved to be inadequate in further testing, we cannot
catch all display on scenarios reliably since there is not enough
information available through the MCE signals.

To make this work properly, MCE needs to learn new tricks.

android-808/ngfd,android-808/ngfd