Reland of H.264 packetization mode 0 (try 3)

webrtc/media/engine/internalencoderfactory.cc

Index: webrtc/media/engine/internalencoderfactory.cc
diff --git a/webrtc/media/engine/internalencoderfactory.cc b/webrtc/media/engine/internalencoderfactory.cc
index e714e5a5d875bbeadd87bfec39360a8beacabd7d..ec9837579ba8a01a8e384d41aa858550b81c1cb2 100644
--- a/webrtc/media/engine/internalencoderfactory.cc
+++ b/webrtc/media/engine/internalencoderfactory.cc
@@ -37,11 +37,9 @@ InternalEncoderFactory::InternalEncoderFactory() {
     cricket::VideoCodec codec(kH264CodecName);
     // TODO(magjed): Move setting these parameters into webrtc::H264Encoder
     // instead.
-    // TODO(hta): Set FMTP parameters for all codecs of type H264.
     codec.SetParam(kH264FmtpProfileLevelId,
                    kH264ProfileLevelConstrainedBaseline);
     codec.SetParam(kH264FmtpLevelAsymmetryAllowed, "1");
-    codec.SetParam(kH264FmtpPacketizationMode, "1");
     supported_codecs_.push_back(std::move(codec));
   }