[Telemetry] Add battor tracing agent

telemetry/telemetry/timeline/tracing_config.py

Index: telemetry/telemetry/timeline/tracing_config.py
diff --git a/telemetry/telemetry/timeline/tracing_config.py b/telemetry/telemetry/timeline/tracing_config.py
index 365f71d960fae96c49eb200968e24bcd7d6e6250..d409e4f843e2ca180bb9b5bd8293f2cce240172a 100644
--- a/telemetry/telemetry/timeline/tracing_config.py
+++ b/telemetry/telemetry/timeline/tracing_config.py
@@ -60,13 +60,15 @@ class TracingConfig(object):
   categories to the TracingCategoryFilter.
 
   Options:
-      enable_chrome_trace: a boolean that specifies whether to enable
-          chrome tracing.
+      enable_chrome_trace: a boolean that specifies whether to enable chrome
+          tracing.
       enable_platform_display_trace: a boolean that specifies whether to
           platform display tracing.
       enable_android_graphics_memtrack: a boolean that specifies whether
           to enable the memtrack_helper daemon to track graphics memory on
           Android (see goo.gl/4Y30p9). Doesn't have any effects on other OSs.
+      enable_battor_trace: a boolean that specifies whether to enable BattOr
+          tracing.
 
       The following ones are specific to chrome tracing. See
       base/trace_event/trace_config.h for more information.
@@ -81,6 +83,7 @@ class TracingConfig(object):
     self.enable_chrome_trace = False
     self.enable_platform_display_trace = False
     self.enable_android_graphics_memtrack = False
+    self.enable_battor_trace = False
     self._record_mode = RECORD_AS_MUCH_AS_POSSIBLE
     self._enable_systrace = False
     # Tracing category filter.