Simplification & UI improvement (A59)

The responsivity is better like this. This does not seem to
feel slow as the previous comment seemed to indicate.

Also remove a stale comment.

Change-Id: I4e7bf9fe28716e112db182e44b3fa88ee4526bb4

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

@@ -1863,12 +1863,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         Utils.Stats.onSeparator((char)Keyboard.CODE_SPACE, WordComposer.NOT_A_COORDINATE,
                 WordComposer.NOT_A_COORDINATE);
         if (!showingAddToDictionaryHint) {
-            // If we're not showing the "Touch again to save", then show corrections again.
-            // In case the cursor position doesn't change, make sure we show the suggestions again.
-            updateSuggestionsOrPredictions(true /* isPredictions */);
-            // Updating the predictions right away may be slow and feel unresponsive on slower
-            // terminals. On the other hand if we just postUpdateBigramPredictions() it will
-            // take a noticeable delay to update them which may feel uneasy.
+            // If we're not showing the "Touch again to save", then show predictions.
+            mHandler.postUpdateBigramPredictions();
         } else {
             if (mIsUserDictionaryAvailable) {
                 mSuggestionsView.showAddToDictionaryHint(