Remove a useless test (A18)

allowsToBeAutoCorrected always returns false if the word is empty.
This is because the whitelist never contains an empty string,
and isValidWord returns false if the word is empty.

Change-Id: I34ecc2a1563aea6db5b2f12796f251f6598576a2

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

@@ -233,8 +233,8 @@ public class Suggest {
             final CharSequence autoCorrection;
             if (null != whitelistedWord) {
                 autoCorrection = whitelistedWord;
-            } else if (!TextUtils.isEmpty(consideredWord) &&
-                    !AutoCorrection.allowsToBeAutoCorrected(mDictionaries, consideredWord, false)) {
+            } else if (!AutoCorrection.allowsToBeAutoCorrected(
+                    mDictionaries, consideredWord, false)) {
                 autoCorrection = consideredWord;
             } else if (AutoCorrection.hasAutoCorrectionForBinaryDictionary(bestSuggestion,
                             consideredWord, mAutoCorrectionThreshold)) {