Disable the HanziToPinyinTest when there is no Chinese collator.

Change-Id: I180b927dbb24ceb254fd535633230032a3363562
diff --git a/tests/AndroidTests/src/com/android/unit_tests/internal/util/HanziToPinyinTest.java b/tests/AndroidTests/src/com/android/unit_tests/internal/util/HanziToPinyinTest.java
index 8e1ff0b..71a8ea7 100644
--- a/tests/AndroidTests/src/com/android/unit_tests/internal/util/HanziToPinyinTest.java
+++ b/tests/AndroidTests/src/com/android/unit_tests/internal/util/HanziToPinyinTest.java
@@ -17,6 +17,7 @@
 package com.android.unit_tests.internal.util;
 
 import java.text.Collator;
+import java.util.Arrays;
 import java.util.ArrayList;
 import java.util.Locale;
 
@@ -37,6 +38,9 @@
 
     @SmallTest
     public void testGetToken() throws Exception {
+        if (!Arrays.asList(Collator.getAvailableLocales()).contains(Locale.CHINA)) {
+            return;
+        }
         ArrayList<Token> tokens = HanziToPinyin.getInstance().get(ONE_HANZI);
         assertEquals(tokens.size(), 1);
         assertEquals(tokens.get(0).type, Token.PINYIN);