Fix build warning from moved libcore classes.

Change-Id: I89834eba9addcd50dd5bcdcb1cf4149c78401363
diff --git a/tests/core/xml/Android.mk b/tests/core/xml/Android.mk
index 4f8af07..0f643a0 100644
--- a/tests/core/xml/Android.mk
+++ b/tests/core/xml/Android.mk
@@ -26,7 +26,6 @@
 LOCAL_SRC_FILES := $(call all-java-files-under,../../../../libcore/xml/src/test/java) \
 	$(call all-java-files-under,../../../../libcore/dom/src/test) \
 	$(call all-java-files-under,../../../../libcore/junit/src/test/java/junit) \
-	$(call all-java-files-under,../../../../libcore/luni/src/test/java/org/apache/harmony/xml) \
 	$(call all-java-files-under,../../../../libcore/luni/src/test/java/tests/api/javax/xml/parsers) \
 	$(call all-java-files-under,../../../../libcore/luni/src/test/java/tests/api/org/xml/sax) \
 	$(call all-java-files-under,../../../../libcore/luni/src/test/java/tests/api/org/xml/sax/support) \