Add Lollipop MR1.1 version code 5.1.1

Bug: 20077117
Change-Id: Ib8d6a1e71838ca579f3fe5619a532e87677f1b56
diff --git a/tests/tests/os/src/android/os/cts/BuildVersionTest.java b/tests/tests/os/src/android/os/cts/BuildVersionTest.java
index 8a9b340..419f320 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("5.1"));
+            new HashSet<String>(Arrays.asList("5.1", "5.1.1"));
     private static final int EXPECTED_SDK = 22;
     private static final String EXPECTED_BUILD_VARIANT = "user";
     private static final String EXPECTED_TAG = "release-keys";