Don't request account access for apps if it is explictly made not visible to them.

Test: manual.
Bug: 38190080

Change-Id: Ifc9023cb37f05f29a2d2076dcff75b710efb6276

services/core/java/com/android/server/accounts/AccountManagerService.java

@@ -5922,6 +5922,13 @@ public class AccountManagerService
                 return;
             }
 
+            int visibility =
+                resolveAccountVisibility(account, packageName, getUserAccounts(userId));
+            if (visibility == AccountManager.VISIBILITY_NOT_VISIBLE) {
+                Slog.w(TAG, "requestAccountAccess: account is hidden");
+                return;
+            }
+
             if (AccountManagerService.this.hasAccountAccess(account, packageName,
                     new UserHandle(userId))) {
                 Bundle result = new Bundle();