Fix up dromaeo after lib v2 merge and add Dromaeo smoketest to prevent future

samples/third_party/dromaeo/tests/Common.dart

 part of dromaeo;
 
 class Result {
   int get runs { return _sorted.length; }
 
   double get sum {
     double result = 0.0;
     _sorted.forEach((double e) { result += e; });
     return result;
   }
@@ skipping 21 matching lines @@
   double get sem { return (deviation / Math.sqrt(runs)) * T_DISTRIBUTION; }
 
   double get error { return (sem / mean) * 100; }
 
   // TODO: Implement writeOn.
   String toString() {
     return '[Result: mean = ${mean}]';
   }
 
   factory Result(List<double> runsPerSecond) {
-    runsPerSecond.sort();
+    runsPerSecond.sort((a, b) => a.compareTo(b));
     return new Result._internal(runsPerSecond);
   }
 
   Result._internal(this._sorted) {}
 
   List<double> _sorted;
 
   // Populated from: http://www.medcalc.be/manual/t-distribution.php
   // 95% confidence for N - 1 = 4
   static const double T_DISTRIBUTION = 2.776;
 }