MSim Settings: Update UI/UX with user friendly strings

  Hide TuneAway and Priority subscription preferences unless
  config_HasTuneAway is set to true in device overlay.

  This conditionally reverts cea415df0cf19f9eb3dc1fef16d3a8955584c4f9
  as some device RILs don't support it.

Change-Id: I453f0833d80e17f7249d3b7c23fb2cc73ebd4c32

Conflicts:
	res/values-af/cm_caf.xml
	res/values-ar/cm_caf.xml
	res/values-ca/cm_caf.xml
	res/values-cs/cm_caf.xml
	res/values-da/cm_caf.xml
	res/values-de/cm_caf.xml
	res/values-el/cm_caf.xml
	res/values-es-rXA/cm_caf.xml
	res/values-es/cm_caf.xml
	res/values-fi/cm_caf.xml
	res/values-fr/cm_caf.xml
	res/values-hu/cm_caf.xml
	res/values-it/cm_caf.xml
	res/values-iw/cm_caf.xml
	res/values-nl/cm_caf.xml
	res/values-pl/cm_caf.xml
	res/values-pt-rBR/cm_caf.xml
	res/values-pt-rPT/cm_caf.xml
	res/values-ru/cm_caf.xml
	res/values-sk/cm_caf.xml
	res/values-sr/cm_caf.xml
	res/values-tr/cm_caf.xml
	res/values-zh-rCN/cm_caf.xml
	res/values/cm_strings.xml
	res/values/config.xml
	res/values/strings.xml
	res/xml/multi_sim_settings.xml
	src/com/android/settings/MultiSimSettings.java