DO NOT MERGE Allow extension version 4

Bug: 249024266
Change-Id: I898871b643dc26ea78c0a93e7618a0a95cb6b418
diff --git a/tests/cts/Extensions/src/android/os/ext/cts/SdkExtensionsTest.java b/tests/cts/Extensions/src/android/os/ext/cts/SdkExtensionsTest.java
index 43ea06f..3e1ab38 100644
--- a/tests/cts/Extensions/src/android/os/ext/cts/SdkExtensionsTest.java
+++ b/tests/cts/Extensions/src/android/os/ext/cts/SdkExtensionsTest.java
@@ -27,7 +27,7 @@
 public class SdkExtensionsTest extends TestCase {
 
     // Android S launched with 1. Since then, version 2 was added.
-    private static final Set<Integer> ALLOWED_VERSIONS = Set.of(1, 2, 3);
+    private static final Set<Integer> ALLOWED_VERSIONS = Set.of(1, 2, 3, 4);
 
     private static void assertCorrectVersion(int version) throws Exception {
         assertTrue(ALLOWED_VERSIONS.contains(version));