[Telemetry] Rename interaction_record field of value to tir_label.

tools/telemetry/telemetry/value/failure.py

Index: tools/telemetry/telemetry/value/failure.py
diff --git a/tools/telemetry/telemetry/value/failure.py b/tools/telemetry/telemetry/value/failure.py
index aa074246e41d9e291ac964c8797cd207e4f5a707..cd614e70f9712243053ec459008c6c77ed6bed95 100644
--- a/tools/telemetry/telemetry/value/failure.py
+++ b/tools/telemetry/telemetry/value/failure.py
@@ -10,7 +10,7 @@ from telemetry import value as value_module
 
 class FailureValue(value_module.Value):
 
-  def __init__(self, page, exc_info, description=None, interaction_record=None):
+  def __init__(self, page, exc_info, description=None, tir_label=None):
     """A value representing a failure when running the page.
 
     Args:
@@ -20,7 +20,7 @@ class FailureValue(value_module.Value):
     """
     exc_type = exc_info[0].__name__
     super(FailureValue, self).__init__(page, exc_type, '', True, description,
-                                       interaction_record)
+                                       tir_label)
     self._exc_info = exc_info
 
   @classmethod