Small performance improvement by removing interface accesses.

java/src/com/android/inputmethod/keyboard/KeyboardSet.java

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

...com/android/inputmethod/latin/BinaryDictionaryGetter.java

...c/com/android/inputmethod/latin/DictionaryCollection.java

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

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

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

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

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

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

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

...ndroid/inputmethod/latin/suggestions/SuggestionsView.java