Cancel timout in test_runner.dart if RunningProcess transfers control to BatchRunnerProcess
Cancel timout in test_runner.dart if RunningProcess transfers control to BatchRunnerProcess

BUG=dart:2726
TEST=test.py with compiler: frog, runtime: chrome mode: release, system: win7,

Review URL: https://chromiumcodereview.appspot.com//10239001

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@6996 260f80e4-7a28-3924-810f-c04153c831b5

dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk