Allow a single letter dic entry

Redo of Id46b4490 which has been abandoned

bug: 3193883
Change-Id: I95b16b1a4f190482098f40d8e29717ea28fdec1e
diff --git a/tools/makedict/src/com/android/tools/dict/MakeBinaryDictionary.java b/tools/makedict/src/com/android/tools/dict/MakeBinaryDictionary.java
old mode 100755
new mode 100644
index ca6de56..51e2038
--- a/tools/makedict/src/com/android/tools/dict/MakeBinaryDictionary.java
+++ b/tools/makedict/src/com/android/tools/dict/MakeBinaryDictionary.java
@@ -163,7 +163,7 @@
                 public void endElement(String uri, String localName,
                         String qName) {
                     if (qName.equals("w")) {
-                        if (wordBuilder.length() > 1) {
+                        if (wordBuilder.length() >= 1) {
                             addWordTop(wordBuilder.toString(), freq);
                             mWordCount++;
                         }