[PBE-5300] add ManagedAudioProcessingFactory (#39)

Author: kanat

sdk/android/BUILD.gn

@@ -271,6 +271,7 @@ if (is_android) {
       "api/org/webrtc/FrameEncryptor.java",
       "api/org/webrtc/IceCandidate.java",
       "api/org/webrtc/IceCandidateErrorEvent.java",
+      "api/org/webrtc/ManagedAudioProcessingFactory.java",
       "api/org/webrtc/MediaConstraints.java",
       "api/org/webrtc/MediaSource.java",
       "api/org/webrtc/MediaStream.java",

sdk/android/api/org/webrtc/ManagedAudioProcessingFactory.java

@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2024 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.
+ */
+
+package org.webrtc;
+
+/** AudioProcessing factory with lifecycle management and runtime control capabilities. */
+public interface ManagedAudioProcessingFactory extends AudioProcessingFactory {
+  /**
+   * Destroys the native AudioProcessing instance.
+   */
+  public void destroyNative();
+
+  /**
+   * Checks if the AudioProcessing is enabled.
+   * @return true if enabled, false otherwise.
+   */
+  public boolean isEnabled();
+
+  /**
+   * Sets the enabled state of the AudioProcessing.
+   * @param enabled The desired enabled state.
+   */
+  public void setEnabled(boolean enabled);
+}