Remove use of LOCAL_BUILD_HOST_DEX.

Use BUILD_HOST_DALVIK_JAVA_LIBRARY instead.

(cherry picked from commit 2825e4971f37b082bcd487e0da53f97855582e97)

Change-Id: I767c1ee2da9513c11b76eb0ccacf6b94de6328ee
diff --git a/Android.mk b/Android.mk
index 7de1c8d..f076f0c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -33,8 +33,7 @@
     LOCAL_MODULE_TAGS := optional
     LOCAL_SRC_FILES := $(apache-xml_src_files)
     LOCAL_JAVACFLAGS := -encoding UTF-8
-    LOCAL_BUILD_HOST_DEX := true
     LOCAL_MODULE_TAGS := optional
     LOCAL_JAVA_RESOURCE_DIRS := src/main/java
-    include $(BUILD_HOST_JAVA_LIBRARY)
+    include $(BUILD_HOST_DALVIK_JAVA_LIBRARY)
 endif