Add final and volatile for members of InputLogic.

    public int mSpaceState;

    // Never null

    public SuggestedWords mSuggestedWords = SuggestedWords.EMPTY;

    public Suggest mSuggest;

    // TODO: mSuggest should be touched by a single thread.

    public volatile Suggest mSuggest;

    // The event interpreter should never be null.

    public EventInterpreter mEventInterpreter;

    public final EventInterpreter mEventInterpreter;

    public LastComposedWord mLastComposedWord = LastComposedWord.NOT_A_COMPOSED_WORD;

    public final WordComposer mWordComposer;