Verify that string/int-array has "num" attribute

In carrier_config xml files, string-array and int-array items require a
"num" attribute that specifies the number of elements in the array.
Running the unit-test now verifies that the "num" attribute is present.

Test: runtest carrierconfig-unit
Change-Id: If378d7ee7f4c90d320f6f93f5d6bb0a27f44d6c9
1 file changed