Evaluation controller, evaluation score abstract class, and score data access.

webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py

Index: webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py
index d55b1c620c98f2f4db509ef5c9856d97454a26e9..7694adcbe6ca22ca08774b3e57c44d2f73617461 100644
--- a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/simulation.py
@@ -12,6 +12,7 @@ import os
 from . import audioproc_wrapper
 from . import data_access
 from . import eval_scores
+from . import evaluation
 from . import noise_generation
 
 class ApmModuleSimulator(object):
@@ -21,9 +22,7 @@ class ApmModuleSimulator(object):
 
   def __init__(self):
     self._audioproc_wrapper = audioproc_wrapper.AudioProcWrapper()
-
-    # TODO(alessio): instance when implementation is ready.
-    self._evaluator = None
+    self._evaluator = evaluation.ApmModuleEvaluator()
 
     self._base_output_path = None
     self._noise_generators = None