Set mUser inside the onCreate(user) method in BackupAgent

onCreate(user) is only used for PackageManagerBackupAgent, and not setting it causes package manager backup to be unable to communicate it's done to the restore task.

Bug: 266940303
Test: manual, factory reset and restore a cloud backup on an HSUM device
Change-Id: Ib6a21ebed486031e179d62173afcfbb466a25412
1 file changed