Use LOCAL_MULTILIB to build host lib as 64-bit

Also we should use LOCAL_REQUIRED_MODULES instead of
LOCAL_ADDITIONAL_DEPENDENCIES.

Bug: 13751317
Change-Id: I742ff14b3de168e14e646749cf4f6bc9c9e7bc62
diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index 3d09c05..aaf31c6 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -51,7 +51,7 @@
         $(USED_TARGETTED_UTILS)
 
 LOCAL_JAVA_LIBRARIES := junit
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LATINIME_HOST_NATIVE_LIBNAME)
+LOCAL_REQUIRED_MODULES := $(LATINIME_HOST_NATIVE_LIBNAME)
 LOCAL_JAR_MANIFEST := etc/manifest.txt
 LOCAL_MODULE := dicttool_aosp