Fix IOOB Exception

Bug: 5021745
Change-Id: I58815ca3f3c8b1bead895e8a94e2f89dbcc67436
diff --git a/java/src/com/android/inputmethod/latin/CandidateView.java b/java/src/com/android/inputmethod/latin/CandidateView.java
index 565b01d..54c4303 100644
--- a/java/src/com/android/inputmethod/latin/CandidateView.java
+++ b/java/src/com/android/inputmethod/latin/CandidateView.java
@@ -193,6 +193,7 @@
 
         public void layoutStrip(SuggestedWords suggestions, int maxWidth, int maxCount) {
             final int size = suggestions.size();
+            if (size == 0) return;
             setupTexts(suggestions, size, mAutoCorrectHighlight);
             mCountInStrip = Math.min(maxCount, size);
             mScaleX = 1.0f;