DeviceSettings: Disable touchkey timeout if it is not supported, move
mdnie sysfs files to config.xml to allow them to be overriden

Change-Id: Ib6cfc12704d3272cc3a66fbd44822faf4863c04e

DeviceSettings: fix compile error

Change-Id: I270ee8fed2dff59c2ea68ff229ab61ddcef23bac
Merge "DeviceSettings: Disable touchkey timeout if it is not supported, move mdnie sysfs files to config.xml to allow them to be overriden" into jellybean-mr1