Stop directly checking SuggestedWordInfo.mKind

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

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

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

.../com/android/inputmethod/latin/inputlogic/InputLogic.java

.../android/inputmethod/latin/utils/AutoCorrectionUtils.java

...utmethod/latin/utils/DistracterFilterUsingSuggestion.java

java/src/com/android/inputmethod/research/JsonUtils.java

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