Adding APM configuration in AEC dump.

webrtc/modules/audio_processing/echo_control_mobile_impl.h

Index: webrtc/modules/audio_processing/echo_control_mobile_impl.h
diff --git a/webrtc/modules/audio_processing/echo_control_mobile_impl.h b/webrtc/modules/audio_processing/echo_control_mobile_impl.h
index f399f480b2b9457bb70e0560766b510681facc49..8b6838c95c434e42cc89a969aaa33d7366c2dab0 100644
--- a/webrtc/modules/audio_processing/echo_control_mobile_impl.h
+++ b/webrtc/modules/audio_processing/echo_control_mobile_impl.h
@@ -35,13 +35,15 @@ class EchoControlMobileImpl : public EchoControlMobile,
   // ProcessingComponent implementation.
   int Initialize() override;
 
+  RoutingMode routing_mode() const override;
+
+  bool is_comfort_noise_enabled() const override;
+
  private:
   // EchoControlMobile implementation.
   int Enable(bool enable) override;
   int set_routing_mode(RoutingMode mode) override;
-  RoutingMode routing_mode() const override;
   int enable_comfort_noise(bool enable) override;
-  bool is_comfort_noise_enabled() const override;
   int SetEchoPath(const void* echo_path, size_t size_bytes) override;
   int GetEchoPath(void* echo_path, size_t size_bytes) const override;