Bug 1008481 - Add debugging output to test_bug995943.xul. a=test-only

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extra : rebase_source : 625ffad7e4349159879fca960ec3f2c535410e97
Bug 942740 - Carry serviceId information in ussd system message. r=hsinyi, a=lmandel

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extra : rebase_source : 77cbba61efbab089fab28b196ac1e5a54fc60228