Merge "Fix some obvious compiler warnings"

...d/inputmethod/compat/InputMethodManagerCompatWrapper.java

...c/com/android/inputmethod/compat/SuggestionSpanUtils.java

...ndroid/inputmethod/compat/SuggestionsInfoCompatUtils.java

.../android/inputmethod/keyboard/KeyboardActionListener.java

...android/inputmethod/latin/BinaryDictionaryFileDumper.java

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

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

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

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

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