Add memory leak tracking/debugging code to drm server

bug - 4099038

Change-Id: I6c048eaf3d7f34bc144b8daaa5fdef1ed474af66
diff --git a/drm/drmserver/Android.mk b/drm/drmserver/Android.mk
index 5df2ff8..b5ad147 100644
--- a/drm/drmserver/Android.mk
+++ b/drm/drmserver/Android.mk
@@ -23,6 +23,7 @@
     StringTokenizer.cpp
 
 LOCAL_SHARED_LIBRARIES := \
+    libmedia \
     libutils \
     libbinder