Do not set "SuggestionSpan"s for suggestions from the next word predicition

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

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