Add a cts test for WebView#findAddress

This test makes sure the zip code is optional.

BUG: 19386325
Change-Id: I774788b70f35abbbc47b5325ad92a19326af960d
(cherry picked from commit 0bc1e865de9ebcf049c7bfa3090bf7d5dbbe103c)
diff --git a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
index 9cd85b1..c5b77a2 100755
--- a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
+++ b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
@@ -225,6 +225,9 @@
         // full address
         assertEquals("455 LARKSPUR DRIVE CALIFORNIA SPRINGS CALIFORNIA 92826",
                 WebView.findAddress("455 LARKSPUR DRIVE CALIFORNIA SPRINGS CALIFORNIA 92826"));
+        // Zipcode is optional.
+        assertEquals("455 LARKSPUR DRIVE CALIFORNIA SPRINGS CALIFORNIA",
+                WebView.findAddress("455 LARKSPUR DRIVE CALIFORNIA SPRINGS CALIFORNIA"));
         // not an address
         assertNull(WebView.findAddress("This is not an address: no town, no state, no zip."));
     }