remove link against libui

Bug: 18313857
Change-Id: I6e5a8c8b8dd268386170976c78bec16b14500db1
Signed-off-by: Thierry Strudel <thierry.strudel@intel.com>
diff --git a/Android.mk b/Android.mk
index a6596b0..db48934 100644
--- a/Android.mk
+++ b/Android.mk
@@ -24,7 +24,6 @@
         libbinder               \
         libutils                \
         libcutils               \
-        libui                   \
         libdl                   \
         libstagefright_foundation