dalvikvm: create the dalvikvm symlink to the primary version

use executable_prefer_symlink.mk to create the dalvikvm symlink
to the primary version of dalvikvm command.
So that the modules call dalvikvm command don't need to change again.

Change-Id: Ie5cefc26dc90fb56c35b6b9e4537eda126f61ea1
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
diff --git a/dalvikvm/Android.mk b/dalvikvm/Android.mk
index e99c76f..fd08263 100644
--- a/dalvikvm/Android.mk
+++ b/dalvikvm/Android.mk
@@ -27,10 +27,14 @@
 LOCAL_SHARED_LIBRARIES := libdl libnativehelper
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_MULTILIB := both
-LOCAL_MODULE_STEM_32 := dalvikvm
+LOCAL_MODULE_STEM_32 := dalvikvm32
 LOCAL_MODULE_STEM_64 := dalvikvm64
 include art/build/Android.libcxx.mk
 include $(BUILD_EXECUTABLE)
+
+# create symlink for the primary version target.
+include  $(BUILD_SYSTEM)/executable_prefer_symlink.mk
+
 ART_TARGET_EXECUTABLES += $(TARGET_OUT_EXECUTABLES)/$(LOCAL_MODULE)
 
 ifeq ($(WITH_HOST_DALVIK),true)