Major AEC3 render pipeline changes

webrtc/modules/audio_processing/aec3/residual_echo_estimator_unittest.cc

 /*
  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/modules/audio_processing/aec3/residual_echo_estimator.h"
 
+// TODO(peah): Reactivate once the next CL has landed.
+#if 0
 #include "webrtc/base/random.h"
 #include "webrtc/modules/audio_processing/aec3/aec_state.h"
 #include "webrtc/modules/audio_processing/aec3/aec3_fft.h"
 #include "webrtc/modules/audio_processing/test/echo_canceller_test_tools.h"
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 
 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
 
@@ skipping 55 matching lines @@
                      Y2, x, echo_path_variability, false);
 
     estimator.Estimate(true, aec_state, X_buffer, H2, E2_main, E2_shadow,
                        S2_linear, S2_fallback, Y2, &R2);
   }
   std::for_each(R2.begin(), R2.end(),
                 [&](float a) { EXPECT_NEAR(kLevel, a, 0.1f); });
 }
 
 }  // namespace webrtc
+
+#endif