Change the logging of NotBootstrappedError.

build/android/pylib/android/logdog_logcat_monitor.py

Index: build/android/pylib/android/logdog_logcat_monitor.py
diff --git a/build/android/pylib/android/logdog_logcat_monitor.py b/build/android/pylib/android/logdog_logcat_monitor.py
index 42cb41234f15da7e8f34778ef61d99860e6baae2..8a27faa74c3d28f71a7e172acfad4b5b321dad04 100644
--- a/build/android/pylib/android/logdog_logcat_monitor.py
+++ b/build/android/pylib/android/logdog_logcat_monitor.py
@@ -29,7 +29,7 @@ class LogdogLogcatMonitor(logcat_monitor.LogcatMonitor):
       self._logdog_stream = self._stream_client.open_text(self._stream_name)
     except bootstrap.NotBootstrappedError as e:
       logging.exception(
-          'Error not bootstrapped. Failed to start logdog: %s', e)
+          'Unable to enable logdog_logcat, %s.', str(e).split(': ')[1])

[jbudorick, 2017/01/10 01:02:42]

I'm not sure that we ought to be messing with the error text from the
NotBootstrappedError.

     except (KeyError, ValueError) as e:
       logging.exception('Error when creating stream_client/stream: %s.', e)
     except Exception as e: # pylint: disable=broad-except