Added the ability to adjust the AEC3 performance for large rooms

webrtc/modules/audio_processing/aec3/subtractor_unittest.cc

Index: webrtc/modules/audio_processing/aec3/subtractor_unittest.cc
diff --git a/webrtc/modules/audio_processing/aec3/subtractor_unittest.cc b/webrtc/modules/audio_processing/aec3/subtractor_unittest.cc
index 48c9c5744425d966d53aeac006c4aa39816f5d55..0c4392332f6a23ec675606048a9fc71d1a61e0e6 100644
--- a/webrtc/modules/audio_processing/aec3/subtractor_unittest.cc
+++ b/webrtc/modules/audio_processing/aec3/subtractor_unittest.cc
@@ -40,7 +40,7 @@ float RunSubtractorTest(int num_blocks_to_process,
   std::array<float, kFftLengthBy2Plus1> Y2;
   std::array<float, kFftLengthBy2Plus1> E2_main;
   std::array<float, kFftLengthBy2Plus1> E2_shadow;
-  AecState aec_state;
+  AecState aec_state(0.f);
   x_old.fill(0.f);
   Y2.fill(0.f);
   E2_main.fill(0.f);
@@ -109,7 +109,7 @@ TEST(Subtractor, DISABLED_NullOutput) {
   std::vector<float> y(kBlockSize, 0.f);
 
   EXPECT_DEATH(subtractor.Process(render_buffer, y, render_signal_analyzer,
-                                  AecState(), nullptr),
+                                  AecState(0.f), nullptr),
                "");
 }
 
@@ -124,7 +124,7 @@ TEST(Subtractor, WrongCaptureSize) {
   SubtractorOutput output;
 
   EXPECT_DEATH(subtractor.Process(render_buffer, y, render_signal_analyzer,
-                                  AecState(), &output),
+                                  AecState(0.f), &output),
                "");
 }