am 8498002a: am db083a2b: am a4913994: Hide indication bar if only one page

* commit '8498002afb7e8a76552aca89e9fb1beeabd76349':
  Hide indication bar if only one page

java/src/com/android/inputmethod/keyboard/EmojiCategoryPageIndicatorView.java

@@ -50,8 +50,9 @@ public class EmojiCategoryPageIndicatorView extends LinearLayout {
 
     @Override
     protected void onDraw(Canvas canvas) {
-        if (mCategoryPageSize == 0) {
+        if (mCategoryPageSize <= 1) {
-            // If the category is not set yet, just clear and return.
+            // If the category is not set yet or contains only one category,
+            // just clear and return.
             canvas.drawColor(0);
             return;
         }