[2/3] OmniGears: Restructure + Configurable lock screen camera widget

Base: https://gerrit.omnirom.org/#/c/4700/
Settings: https://gerrit.omnirom.org/#/c/4702

Change-Id: Ibc28347493408bd22daf5e76d3bcd2f57df3d4b4

Conflicts:
	res/values/custom_strings.xml

rebase
Revert "[2/3] OmniGears: Restructure + Configurable lock screen camera widget"

This reverts commit fd3c20f1f49b0f2dc49b5d1668c5ae2ecc0e90fa.
[2/2] OmniGears: Option to enable Notification Light when screen is on

This makes it possible to let the Notification LED flash even when the screen is on

Change-Id: I3f5b8f2136a833a4c651887f3c8c97d27246863e

Conflicts:
	res/values/custom_strings.xml