move vp8 mime type from: VP8-DRAFT-0-3-2 to VP8

[linphone] / oRTP

diff --git a/oRTP b/oRTP
index ec28d996924a48d8bf2471cff10bb331533a183e..b44c6de6b63bf25cc4d144100811ab65ef7a5ba8 160000 (submodule)
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit ec28d996924a48d8bf2471cff10bb331533a183e
+Subproject commit b44c6de6b63bf25cc4d144100811ab65ef7a5ba8