Add end-to-end testing of extension-sdk attribute am: dfa3469bc8 am: 1315039986 am: 97caa8358c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/SdkExtensions/+/1608153

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ifaa956db3ca3b0bc8efc14f0a7f7d8a96e7c8f23
diff --git a/framework/java/android/os/ext/SdkExtensions.java b/framework/java/android/os/ext/SdkExtensions.java
index 299a0d9..171eff8 100644
--- a/framework/java/android/os/ext/SdkExtensions.java
+++ b/framework/java/android/os/ext/SdkExtensions.java
@@ -50,7 +50,7 @@
      * Values suitable as parameters for {@link #getExtensionVersion(int)}.
      * @hide
      */
-    @IntDef(value = { VERSION_CODES.R, VERSION_CODES.CUR_DEVELOPMENT })
+    @IntDef(value = { VERSION_CODES.R, VERSION_CODES.S })
     @Retention(RetentionPolicy.SOURCE)
     public @interface SdkVersion {}
 
@@ -71,7 +71,7 @@
         if (sdk == VERSION_CODES.R) {
             return R_EXTENSION_INT;
         }
-        if (sdk == VERSION_CODES.CUR_DEVELOPMENT) {
+        if (sdk == VERSION_CODES.S) {
             return S_EXTENSION_INT;
         }
         return 0;