Add another test for weak-reference

  This one covers undefined weak reference in .so
  referenced via JUMP_SLOT relocation.

Bug: 17526061
Change-Id: Ib8764bd30c1f686c4818ebbc6683cf42dee908b2
diff --git a/tests/libs/Android.mk b/tests/libs/Android.mk
index e4620f5..50d96b2 100644
--- a/tests/libs/Android.mk
+++ b/tests/libs/Android.mk
@@ -358,3 +358,12 @@
 
 module := libtest_dlsym_weak_func
 include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# Library with weak undefined function
+# -----------------------------------------------------------------------------
+libtest_dlopen_weak_undefined_func_src_files := \
+    dlopen_weak_undefined.cpp
+
+module := libtest_dlopen_weak_undefined_func
+include $(LOCAL_PATH)/Android.build.testlib.mk