Support Telemetry tests on Android Mandoline.

tools/telemetry/telemetry/internal/backends/mandoline/config.py

Index: tools/telemetry/telemetry/internal/backends/mandoline/config.py
diff --git a/mojo/tools/mopy/config.py b/tools/telemetry/telemetry/internal/backends/mandoline/config.py
similarity index 93%
copy from mojo/tools/mopy/config.py
copy to tools/telemetry/telemetry/internal/backends/mandoline/config.py
index 4b17c2dee83a2e35e28c70bb0dce74ee7d4ed601..2ff513c1c76dc442831ee8f98540b9a4446dfe18 100644
--- a/mojo/tools/mopy/config.py
+++ b/tools/telemetry/telemetry/internal/backends/mandoline/config.py
@@ -2,6 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+# TODO(yzshen): Once the dep manager is ready, remove this file and use the one
+# from src/mojo/tools directly.
+
 
 import ast
 import os.path
@@ -81,7 +84,7 @@ class Config(object):
 
   def _ParseGNArgs(self):
     '''Parse the gn config file from the build directory, if it exists.'''
-    TRANSLATIONS = { 'true': 'True', 'false': 'False', }
+    TRANSLATIONS = {'true': 'True', 'false': 'False',}
     if self.values['build_dir'] is None:
       return
     gn_file = os.path.join(self.values['build_dir'], 'args.gn')
@@ -90,8 +93,8 @@ class Config(object):
 
     with open(gn_file, 'r') as f:
       for line in f:
-        line = re.sub('\s*#.*', '', line)
-        result = re.match('^\s*(\w+)\s*=\s*(.*)\s*$', line)
+        line = re.sub(r'\s*#.*', '', line)
+        result = re.match(r'^\s*(\w+)\s*=\s*(.*)\s*$', line)
         if result:
           key = result.group(1)
           value = result.group(2)