Settings: port TRDS
credit SlimRoms
  - an all inclusive patch for trds minus the theme engine since we support cm theme chooser

Change-Id: Ie6fa6b0eee9744eacbb9f9ddd70827b453309cee

Conflicts:
	res/values/gummy_strings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/Settings.java

Conflicts:
	res/values/strings_custom.xml
	src/com/android/settings/Settings.java