Fix sim build (sim doesn't have strl*() reliably...)

Just stub out the TrafficStats code for the sim.
Bug: 2578938

Change-Id: Ie555f67f581d05ee446ea29cb2223feb350c52f9
1 file changed
tree: 5e75924c24401a8c8d30dd20474f73337bb5fed5
  1. core/
  2. services/