Calculating ERLE in AEC more properly.

webrtc/modules/audio_processing/test/audio_processing_unittest.cc

Index: webrtc/modules/audio_processing/test/audio_processing_unittest.cc
diff --git a/webrtc/modules/audio_processing/test/audio_processing_unittest.cc b/webrtc/modules/audio_processing/test/audio_processing_unittest.cc
index 3ffed874444b70f120dfa58b20db894fd34e707e..40e235be1d64c626d143c596d903bea6519024cf 100644
--- a/webrtc/modules/audio_processing/test/audio_processing_unittest.cc
+++ b/webrtc/modules/audio_processing/test/audio_processing_unittest.cc
@@ -204,10 +204,10 @@ int16_t MaxAudioFrame(const AudioFrame& frame) {
 #if defined(WEBRTC_AUDIOPROC_FLOAT_PROFILE)
 void TestStats(const AudioProcessing::Statistic& test,
                const audioproc::Test::Statistic& reference) {
-  EXPECT_NEAR(reference.instant(), test.instant, 1);
-  EXPECT_EQ(reference.average(), test.average);
-  EXPECT_EQ(reference.maximum(), test.maximum);
-  EXPECT_NEAR(reference.minimum(), test.minimum, 1);
+  EXPECT_NEAR(reference.instant(), test.instant, 2);
+  EXPECT_NEAR(reference.average(), test.average, 2);
+  EXPECT_NEAR(reference.maximum(), test.maximum, 2);
+  EXPECT_NEAR(reference.minimum(), test.minimum, 2);
 }
 
 void WriteStatsMessage(const AudioProcessing::Statistic& output,