Fix testHtmlEncode

* We changed handling of apostrophe in an earlier CL and neglected
  to update the test: I4872da7d5e19f18ecd570dbcaac295020d66681c

Bug: 6084802
Change-Id: If7626b41ae478124e2bc2deb15267c2ed5a56714
diff --git a/tests/tests/text/src/android/text/cts/TextUtilsTest.java b/tests/tests/text/src/android/text/cts/TextUtilsTest.java
index 2e675ff..e85424f 100755
--- a/tests/tests/text/src/android/text/cts/TextUtilsTest.java
+++ b/tests/tests/text/src/android/text/cts/TextUtilsTest.java
@@ -1197,7 +1197,7 @@
     @ToBeFixed(bug = "1695243", explanation = "the javadoc for htmlEncode() is incomplete." +
             "1. doesn't discuss the case that parameter is expectional.")
     public void testHtmlEncode() {
-        assertEquals("<_html_>\\ &"'string'"",
+        assertEquals("<_html_>\\ &"'string'"",
                 TextUtils.htmlEncode("<_html_>\\ &\"'string'\""));
 
          try {