Do not destroy UCE when associated subId changes with the same subid

When associated sub id changed indication happens with the same subid,
this means that the carrier config changed. Do not destroy UCE in this
case, instead notify of the carrier config changed to controllers.

Bug: 181258463
Test: atest TeleServiceTests
Change-Id: Ifc2b7fc9b0580ee3d0327501b87ccd2f62e81242
7 files changed