[telemetry] Add Monsoon protocol library.

tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py

Index: tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py
diff --git a/tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py b/tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py
index 7161db13ac7469de5cd89a698a7ad35eda6b39cf..e43555d7ef61a1310269dcc22c6d917903ec7ef8 100644
--- a/tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py
+++ b/tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py
@@ -4,18 +4,10 @@
 
 import csv
 import multiprocessing
-import os
-import sys
 
 from telemetry.core import exceptions
-from telemetry.core import util
 from telemetry.core.platform import profiler
-
-sys.path.append(os.path.join(util.GetTelemetryDir(), 'third_party', 'internal'))
-try:
-  import monsoon  # pylint: disable=F0401
-except ImportError:
-  monsoon = None
+from telemetry.core.platform.profiler import monsoon
 
 
 def _CollectData(output_path, is_collecting):
@@ -80,11 +72,9 @@ class MonsoonProfiler(profiler.Profiler):
 
   @classmethod
   def is_supported(cls, browser_type):
-    if not monsoon:
-      return False
     try:
       monsoon.Monsoon(wait=False)
-    except IOError:
+    except EnvironmentError:
       return False
     else:
       return True