Bug 908554 - Part1: STK Support Next Action Indicator IDL & consts r=yoshi, hsinyi.
Bug 908554 - Part2: STK Support Next Action Indicator in RIL r=yoshi.
Bug 908554 - Part3: Add STK Set Up Menu xpcshell test. r=yoshi
Bug 908554 - Part4: modify marionette for Next Action Indicator. r=yoshi