Some files of this project come from GWT as described:
- com.android.sched.util.collect.* come from com.google.gwt.dev.util.collect
- com.android.sched.util.json.* come from com.google.gwt.dev.json
- com.android.sched.util.log and com.android.sched.util.log.speedtracer:
  Event, EvenType, Tracer, Format, SpeedTracer, SpeedTracerEventType was created with fragment
  of com.google.gwt.dev.util.log.speedtracer.*