New TestApis to use in VDM CTS

Bug: 324560285
Test: CTS
Change-Id: I494fdc3213688f0a1d0980adc1f60b6f917e9d1a
diff --git a/test-mock/api/test-current.txt b/test-mock/api/test-current.txt
index 9ed0108..14f1b64 100644
--- a/test-mock/api/test-current.txt
+++ b/test-mock/api/test-current.txt
@@ -3,6 +3,7 @@
 
   public class MockContext extends android.content.Context {
     method public int getDisplayId();
+    method public void updateDisplay(int);
   }
 
   @Deprecated public class MockPackageManager extends android.content.pm.PackageManager {