Add a field trial to produce VideoFrames in camera capturers.

webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java

Index: webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java
diff --git a/webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java b/webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java
index 76983b1f18501539926c770613f448f808fb0c60..d96c1b959daf423070fceea56eaf3f63c56249a7 100644
--- a/webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java
+++ b/webrtc/sdk/android/src/java/org/webrtc/I420BufferImpl.java
@@ -69,6 +69,10 @@ class I420BufferImpl implements VideoFrame.I420Buffer {
     return height;
   }
 
+  public ByteBuffer getBuffer() {

[magjed_webrtc, 2017/07/24 09:51:18]

name it: getByteBuffer

[sakal, 2017/08/15 12:41:05]

The method no longer exists.

+    return buffer;
+  }
+
   @Override
   public ByteBuffer getDataY() {
     buffer.position(yPos);