Expose create uri as user as system api.

Bug: 179659160
Test: atest ContentProviderTest
Change-Id: I86edc2d4fa0911366a91170819140b274f5d6480
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 18b0a43..bffb1cc 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -55,6 +55,10 @@
 
 package android.content {
 
+  public abstract class ContentProvider implements android.content.ComponentCallbacks2 {
+    method @NonNull public static android.net.Uri createContentUriAsUser(@NonNull android.net.Uri, @NonNull android.os.UserHandle);
+  }
+
   public abstract class Context {
     method @NonNull public android.os.UserHandle getUser();
   }