Bug 313428 Use Eclipse tracing to enable debug output
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Activator.java
/**
	 * The bundle symbolic name.
	 */
	public static final String PI_WORKBENCH = "org.eclipse.e4.ui.workbench"; 
	private static Activator activator;
	private BundleContext context;
	private ServiceRegistration executorTracker;
	private ServiceTracker locationTracker;
	private ServiceTracker pkgAdminTracker;
	private ServiceTracker debugTracker;
	private ServiceTracker logTracker;
	private DebugTrace trace;
	/**