Move util classes under common

Also why did we have two copies of LocaleUtils >.>

Bug: 18108776
Change-Id: I03b4403dfd51934e66b567f2f8b87da419cfb3ab
diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index b1aa84e..1a9f029 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -50,10 +50,7 @@
         latin/settings/SettingsValuesForSuggestion.java \
         latin/utils/BinaryDictionaryUtils.java \
         latin/utils/CombinedFormatUtils.java \
-        latin/utils/CoordinateUtils.java \
-        latin/utils/FileUtils.java \
-        latin/utils/JniUtils.java \
-        latin/utils/LocaleUtils.java
+        latin/utils/JniUtils.java
 
 LATINIME_OVERRIDABLE_SRC_FILES_FOR_DICTTOOL := \
         latin/define/DebugFlags.java