Cleanup under the utils package

...c/com/android/inputmethod/dictionarypack/ActionBatch.java

...ndroid/inputmethod/dictionarypack/DictionaryProvider.java

.../android/inputmethod/dictionarypack/MetadataDbHelper.java

...com/android/inputmethod/dictionarypack/UpdateHandler.java

...rc/com/android/inputmethod/latin/RichInputConnection.java

java/src/com/android/inputmethod/latin/SubtypeLocale.java

...rc/com/android/inputmethod/latin/utils/DebugLogUtils.java

java/src/com/android/inputmethod/latin/utils/Utils.java