Allow lid to send a generic COVER_CHANGED broadcast

This intent will be used to launch a common app for devices
with a view window flip cover(LG, Asus..) or dotcase(HTC).

Updated for Lineage SDK and squashed with the following change:

  Author: Ethan Chen <intervigil@gmail.com>
  Date:   Sat Jan 28 21:39:21 2017 -0800

    Correctly name LID_STATE_CHANGED broadcast

    Change-Id: I472becdcf310fab8536fb24e6cacf646199f464d

Change-Id: I8ce163d0d3f71e40680f42348847e548b41a0045