Merge "Force download the dictionaries after the apk package is updated."

...d/inputmethod/dictionarypack/DictionaryPackConstants.java

java/AndroidManifest.xml

java/res/values/config-dictionary-pack.xml

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

...android/inputmethod/dictionarypack/CommonPreferences.java

...android/inputmethod/dictionarypack/DictionaryService.java

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

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

...om/android/inputmethod/latin/SystemBroadcastReceiver.java

.../android/inputmethod/latin/utils/DictionaryInfoUtils.java