Add functionality for parsing H264 profile-level-id

webrtc/modules/video_coding/codec_database.cc

Index: webrtc/modules/video_coding/codec_database.cc
diff --git a/webrtc/modules/video_coding/codec_database.cc b/webrtc/modules/video_coding/codec_database.cc
index 48ca1fbe25b2b672328eb5e8a6f0e3beb824904e..57fe911a59b94c397f892945a2e464fb43ff1399 100644
--- a/webrtc/modules/video_coding/codec_database.cc
+++ b/webrtc/modules/video_coding/codec_database.cc
@@ -62,7 +62,8 @@ VideoCodecH264 VideoEncoder::GetDefaultH264Settings() {
   VideoCodecH264 h264_settings;
   memset(&h264_settings, 0, sizeof(h264_settings));
 
-  h264_settings.profile = kProfileBase;
+  h264_settings.profileLevelId.profile = kProfileConstrainedBaseline;
+  h264_settings.profileLevelId.level = kH264Level3_1;
   h264_settings.frameDroppingOn = true;
   h264_settings.keyFrameInterval = 3000;
   h264_settings.spsData = nullptr;