Merge "Fix test failed of CtsBackupHostTestCases" into main

                // restore if appropriate, then pass responsibility back to the

                // Package Manager to run the post-install observer callbacks

                // and broadcasts.

                // Note: MUST close freezer before backup/restore, otherwise test

                // of CtsBackupHostTestCases will fail.

                request.closeFreezer();

                doRestore = performBackupManagerRestore(userId, token, request);

            }