bug 917582

-OperatorVariantHelper error when IccHelper.enabled == false should be more descriptive since it is an expected error when running in b2g desktop or fxos simulator.
-Do not throw when IccHelper is undefined, it only indicates that the feature was omitted in the build

r=dflanagan
Merge pull request #12453 from nullaus/bug917582-operator-variant-console

bug 917582 - OperatorVariantHelper error when IccHelper.enabled == false...