[2/2] OmniGears: Smart pulldown

Base: https://gerrit.omnirom.org/#/c/5034/

Thanks to SlimRoms for their device type methods.

Change-Id: I7d25d28fd44401e04e0a46c561ddffc1f3be2329
Merge "[2/2] OmniGears: Smart pulldown" into android-4.4
merge changes from Omni 4.4 into local branch

Conflicts:
	res/values/custom_arrays.xml
	res/values/custom_strings.xml
	res/xml/bars_settings.xml
	src/org/omnirom/omnigears/interfacesettings/BarsSettings.java

Change-Id: I68db56034b75f766979004b46fa83446cf916c89