Dismiss the hint on a non-word-starting non-separator

This would happen when a character is not a separator but is not
a word starter. Such characters include single quote and
dollar, and others non-letter, non-separator chars.
We set the bigram predictions if any - if not so configured, this
will fallback on setting back punctuations into the strip.

Bug: 6010408
Change-Id: Id203bbe87f8c13de0d5027b555c9067c7ec98f92

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

@@ -1603,6 +1603,15 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
                 swapSwapperAndSpaceWhileInBatchEdit(ic);
                 mSpaceState = SPACE_STATE_WEAK;
             }
+            // Some characters are not word separators, yet they don't start a new
+            // composing span. For these, we haven't changed the suggestion strip, and
+            // if the "add to dictionary" hint is shown, we should do so now. Examples of
+            // such characters include single quote, dollar, and others; the exact list is
+            // the list of characters for which we enter handleCharacterWhileInBatchEdit
+            // that don't match the test if ((isAlphabet...)) at the top of this method.
+            if (null != mSuggestionsView && mSuggestionsView.dismissAddToDictionaryHint()) {
+                mHandler.postUpdateBigramPredictions();
+            }
         }
         Utils.Stats.onNonSeparator((char)primaryCode, x, y);
     }