Adding APM configuration in AEC dump.

webrtc/modules/audio_processing/debug.proto

 syntax = "proto2";
 option optimize_for = LITE_RUNTIME;
 package webrtc.audioproc;
 
 message Init {
   optional int32 sample_rate = 1;
   optional int32 device_sample_rate = 2 [deprecated=true];
   optional int32 num_input_channels = 3;
   optional int32 num_output_channels = 4;
   optional int32 num_reverse_channels = 5;
   optional int32 reverse_sample_rate = 6;
   optional int32 output_sample_rate = 7;
+  // Acoustic echo canceler
+  optional bool aec_enabled = 8;
+  optional bool aec_delay_agnostic = 9;
+  optional bool aec_drift_compensation = 10;
+  optional bool aec_extended_filter = 11;
+  optional int32 aec_suppression_level = 12;
+  // Mobile AEC
+  optional bool aecm_enabled = 13;
+  optional bool aecm_comfort_noise = 14;
+  optional int32 aecm_routing_mode = 15;
+  // Automatic gain controller
+  optional bool agc_enabled = 16;
+  optional int32 agc_mode = 17;
+  optional bool agc_limiter = 18;
+  // High pass filter
+  optional bool hpf_enabled = 19;
+  // Noise suppression
+  optional bool ns_enabled = 20;
+  optional bool ns_experiment = 21;
+  optional int32 ns_level = 22;
 }
 
 // May contain interleaved or deinterleaved data, but don't store both formats.
 message ReverseStream {
   // int16 interleaved data.
   optional bytes data = 1;
 
   // float deinterleaved data, where each repeated element points to a single
   // channel buffer of data.
   repeated bytes channel = 2;
@@ skipping 22 matching lines @@
     REVERSE_STREAM = 1;
     STREAM = 2;
   }
 
   required Type type = 1;
 
   optional Init init = 2;
   optional ReverseStream reverse_stream = 3;
   optional Stream stream = 4;
 }