Merge "Saving bugreport for the first failed test." into udc-dev

public class FailureWatcher extends TestWatcher {

    private static final String TAG = "FailureWatcher";

    private static boolean sSavedBugreport = false;

    final private UiDevice mDevice;

    private final LauncherInstrumentation mLauncher;

        dumpCommand("logcat -d -s TestRunner", diagFile(description, "FilteredLogcat", "txt"));

        // Dump bugreport

        final String systemAnomalyMessage = launcher.getSystemAnomalyMessage(false, false);

        if (systemAnomalyMessage != null) {

            Log.d(TAG, "Saving bugreport, system anomaly message: " + systemAnomalyMessage, e);

        if (!sSavedBugreport) {

            dumpCommand("bugreportz -s", diagFile(description, "Bugreport", "zip"));

            // Not saving bugreport for each failure for time and space economy.

            sSavedBugreport = true;

        }

    }