Add content type information to encoded images and corresponding rtp extension header

webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc

Index: webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc
diff --git a/webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc b/webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc
index d30e94c58fbbb9ed3424a2959ce52cd0253fd003..dcebdcff2e2a43b1fea739b3d5fef03475428000 100644
--- a/webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc
+++ b/webrtc/sdk/android/src/jni/androidmediadecoder_jni.cc
@@ -904,7 +904,8 @@ bool MediaCodecVideoDecoder::DeliverPendingOutputs(
 
   // If the frame was dropped, frame_buffer is left as nullptr.
   if (frame_buffer) {
-    VideoFrame decoded_frame(frame_buffer, 0, 0, webrtc::kVideoRotation_0);
+    VideoFrame decoded_frame(frame_buffer, 0, 0, webrtc::kVideoRotation_0,
+                             webrtc::VideoContentType::kDefault);
     decoded_frame.set_timestamp(output_timestamps_ms);
     decoded_frame.set_ntp_time_ms(output_ntp_timestamps_ms);