Use AudioProcessingBuilder everywhere AudioProcessing is created.

The AudioProcessingBuilder was recently introduced in https://webrtc-review.googlesource.com/c/src/+/34651 to make it easier to create APM instances. This CL replaces all calls to the old Create methods with the new AudioProcessingBuilder.

Bug: webrtc:8668
Change-Id: Ibb5f0fc0dbcc85fcf3355b01bec916f20fe0eb67
Reviewed-on: https://webrtc-review.googlesource.com/36082
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21534}

sdk/android/src/jni/pc/audio.cc

@@ -26,7 +26,7 @@ rtc::scoped_refptr<AudioEncoderFactory> CreateAudioEncoderFactory() {
 }
 
 rtc::scoped_refptr<AudioProcessing> CreateAudioProcessing() {
-  return AudioProcessing::Create();
+  return AudioProcessingBuilder().Create();
 }
 
 }  // namespace jni

sdk/android/src/jni/pc/defaultaudioprocessingfactory.cc

@@ -25,10 +25,9 @@ static jlong JNI_DefaultAudioProcessingFactory_CreateAudioProcessing(
   std::unique_ptr<CustomProcessing> post_processor(
       reinterpret_cast<CustomProcessing*>(native_post_processor));
   rtc::scoped_refptr<AudioProcessing> audio_processing =
-      AudioProcessing::Create(webrtc::Config(), std::move(post_processor),
-                              nullptr /* render_pre_processing */,
-                              nullptr /* echo_control_factory */,
-                              nullptr /* beamformer */);
+      AudioProcessingBuilder()
+          .SetCapturePostProcessing(std::move(post_processor))
+          .Create();
   return jlongFromPointer(audio_processing.release());
 }