APM QA unit tests, fake POLQA binary and minor fixes

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

Index: webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
index e1f1a94324836ad4e3fcc918aeac96ae2bdc4814..eec74391ad38198e155997298c3e1919e9b2e2c6 100644
--- a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
@@ -145,21 +145,19 @@ class PolqaScore(EvaluationScore):
   """
 
   NAME = 'polqa'
-  _BIN_FILENAME = 'PolqaOem64'
 
-  def __init__(self, polqa_tool_path):
+  def __init__(self, polqa_bin_filepath):
     EvaluationScore.__init__(self)
 
-    # Path to the POLQA directory with binary and license files.
-    self._polqa_tool_path = polqa_tool_path
-
     # POLQA binary file path.
-    self._polqa_bin_filepath = os.path.join(
-        self._polqa_tool_path, self._BIN_FILENAME)
+    self._polqa_bin_filepath = polqa_bin_filepath
     if not os.path.exists(self._polqa_bin_filepath):
       logging.error('cannot find POLQA tool binary file')
       raise exceptions.FileNotFoundError()
 
+    # Path to the POLQA directory with binary and license files.
+    self._polqa_tool_path, _ = os.path.split(self._polqa_bin_filepath)
+
   def _Run(self, output_path):
     polqa_out_filepath = os.path.join(output_path, 'polqa.out')
     if os.path.exists(polqa_out_filepath):