Remove dependency to libcore.

Having less dependencies between heavy libraries makes
the build process faster.

Change-Id: I93d3cbd02510f52aa7d8c0f5c0bf1fc85b381d9a
diff --git a/src/main/java/org/apache/xml/serializer/ToHTMLStream.java b/src/main/java/org/apache/xml/serializer/ToHTMLStream.java
index 9414875..4f2927a 100644
--- a/src/main/java/org/apache/xml/serializer/ToHTMLStream.java
+++ b/src/main/java/org/apache/xml/serializer/ToHTMLStream.java
@@ -25,8 +25,6 @@
 
 import javax.xml.transform.Result;
 
-import libcore.base.EmptyArray;
-
 import org.apache.xml.serializer.utils.MsgKey;
 import org.apache.xml.serializer.utils.Utils;
 import org.xml.sax.Attributes;
@@ -2056,7 +2054,7 @@
         final Node m_Root;
 
         /** helper buffer to convert Strings to char arrays */
-        private char[] m_charBuffer = EmptyArray.CHAR;
+        private char[] m_charBuffer = new char[0];
 
         /** true if the search for an object is lower case only with the key */
         private final boolean m_lowerCaseOnly;