Fix an OOB

The combination of I6b0262fe which removes the internal
size() > 1 test in the safety net calculation and I642a5893
which assumed DBG means there is at least one suggestion.
This change writes the test correctly.

Change-Id: Ib63bce4e163a785f408dd145c23d64cd58fa8c90

java/src/com/android/inputmethod/latin/suggestions/SuggestionsView.java

@@ -329,7 +329,7 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
             } else {
                 color = mColorTypedWord;
             }
-            if (LatinImeLogger.sDBG) {
+            if (LatinImeLogger.sDBG && suggestedWords.size() > 1) {
                 // If we auto-correct, then the autocorrection is in slot 0 and the typed word
                 // is in slot 1.
                 if (index == mCenterSuggestionIndex && suggestedWords.mHasAutoCorrectionCandidate