Moved practically all of the prerefactoring functionality to the new design.

Renamed LayoutTestsRunner activity to TestsListActivity. It will be responsible for restrating the Executer after the crash. Now it only starts
it.
Renamed LayoutTestsRunnerThread to TestsListPreloaderThread. It only preloads tests now.
LayoutTest class is no longer needed, its functionality is in LayoutTestsExecuter.
Most of the functionality from LayoutTestsRunnerThread is now in ManagerService.

Change-Id: I08924d949ceb9f8816888bc8e795256d0542fa99
12 files changed