Moved Log java class from linphone core to mediastreamer

[linphone] / mediastreamer2

diff --git a/mediastreamer2 b/mediastreamer2
index 49ffa1905460cb74725bbf5be20b4786de7fb5b6..ce4abb79231bc1da097be70c93755ded9195701c 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 49ffa1905460cb74725bbf5be20b4786de7fb5b6
+Subproject commit ce4abb79231bc1da097be70c93755ded9195701c