Bug 1242334: add media.peerconnection.video.vp9_enabled pref to all.js (default to off) r=drno

--HG--
extra : commitid : DRghOzaam1o

modules/libpref/init/all.js

@@ -382,6 +382,7 @@ pref("media.navigator.video.h264.level", 12); // 0x42E00C - level 1.2
 pref("media.navigator.video.h264.max_br", 700); // 8x10
 pref("media.navigator.video.h264.max_mbps", 11880); // CIF@30fps
 pref("media.peerconnection.video.h264_enabled", false);
+pref("media.peerconnection.video.vp9_enabled", false);
 pref("media.getusermedia.aec", 4);
 // Gonk typically captures at QVGA, and so min resolution is QQVGA or
 // 160x120; 100Kbps is plenty for that.