Fix Android build.

diff --git a/mediastreamer2 b/mediastreamer2
index 88baea6036b1831228cc9deff92acb944e373ce0..90be72f669f3c5067c571b0f29f22eda21166006 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 88baea6036b1831228cc9deff92acb944e373ce0
+Subproject commit 90be72f669f3c5067c571b0f29f22eda21166006