Bug 960961 - Part 1: add back some function names in ril_worker. r=vicamo

This reverts "Bug 934125 - 3.a/3: correct ril_worker 'RIL[FOO] = function FOO()' as well."
Bug 960961 - Part 2: remove ril logs or wrap them with DEBUG flag. r=vicamo
Bug 960961 - Part 3: add logs for setup/deactivate data call. r=vicamo