Fix crash in STK.

This was fixed in factory rom but was a do not merge, see change:

  If3f9d1468562a5e7f948156aa8395525665bc9ff

and thus didn't make it to ics-mr1. With this change,
StkAppService.java is now identical to the version in master.

Bug: 5489975
Change-Id: Ieba6e35a8c70342c22341247ee855f26faab4934
1 file changed