Add a placeholder core-oj / libopenjdk definition.

Helps us to commit trivial makefile changes ahead of the larger
code merge.

Change-Id: I2710a664e3a39afead03fc617f04e432df7f8fea
diff --git a/NativeCode.mk b/NativeCode.mk
index 44bc511..d2577ef 100644
--- a/NativeCode.mk
+++ b/NativeCode.mk
@@ -90,6 +90,17 @@
 LOCAL_CXX_STL := libc++
 include $(BUILD_SHARED_LIBRARY)
 
+include $(CLEAR_VARS)
+LOCAL_CFLAGS += $(core_cflags)
+LOCAL_CPPFLAGS += $(core_cppflags)
+LOCAL_SRC_FILES += luni/src/main/native/readlink.cpp
+LOCAL_C_INCLUDES += $(core_c_includes)
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE := libopenjdk
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/NativeCode.mk
+LOCAL_CXX_STL := libc++
+include $(BUILD_SHARED_LIBRARY)
+
 # Test JNI library.
 ifeq ($(LIBCORE_SKIP_TESTS),)
 
@@ -166,6 +177,20 @@
 LOCAL_CXX_STL := libc++
 include $(BUILD_HOST_SHARED_LIBRARY)
 
+include $(CLEAR_VARS)
+LOCAL_CLANG := true
+LOCAL_SRC_FILES += luni/src/main/native/readlink.cpp
+LOCAL_CFLAGS += $(core_cflags)
+LOCAL_C_INCLUDES += $(core_c_includes)
+LOCAL_CPPFLAGS += $(core_cppflags)
+LOCAL_LDLIBS += -ldl -lpthread -lrt
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE := libopenjdk
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/NativeCode.mk
+LOCAL_MULTILIB := both
+LOCAL_CXX_STL := libc++
+include $(BUILD_HOST_SHARED_LIBRARY)
+
 ifeq ($(LIBCORE_SKIP_TESTS),)
     include $(CLEAR_VARS)
     LOCAL_CLANG := true