Update BuildVersionTest to support 4.2.2

Change-Id: Ia14b872dc868775dfb2c38f9c4e7efdc462681d5
diff --git a/tests/tests/os/src/android/os/cts/BuildVersionTest.java b/tests/tests/os/src/android/os/cts/BuildVersionTest.java
index 0167364..dfa8301 100644
--- a/tests/tests/os/src/android/os/cts/BuildVersionTest.java
+++ b/tests/tests/os/src/android/os/cts/BuildVersionTest.java
@@ -29,7 +29,7 @@
 
     private static final String LOG_TAG = "BuildVersionTest";
     private static final Set<String> EXPECTED_RELEASES =
-            new HashSet<String>(Arrays.asList("4.2", "4.2.1"));
+            new HashSet<String>(Arrays.asList("4.2", "4.2.1", "4.2.2"));
     private static final int EXPECTED_SDK = 17;
 
     @SuppressWarnings("deprecation")