Adding APM configuration in AEC dump.

webrtc/modules/audio_processing/debug.proto

Index: webrtc/modules/audio_processing/debug.proto
diff --git a/webrtc/modules/audio_processing/debug.proto b/webrtc/modules/audio_processing/debug.proto
index dce2f7920930452f7a512d9bda2f3679893cddc2..bbf49da092c8e510467bfcc2b54d4cb31fd0c472 100644
--- a/webrtc/modules/audio_processing/debug.proto
+++ b/webrtc/modules/audio_processing/debug.proto
@@ -10,6 +10,26 @@ message Init {
   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.