Avatar picker is not responding after selecting a photo for new user.

When adding a new user and selecting a photo from photo picker Avatar Picker stops responding.

Change-Id: Ie72d5dc08aadcf7e4caf6bf7cb94aa34a9ccb652
Flag: android.multiuser.fix_avatar_picker_not_responding_for_new_user
Test: N/A
Bug: 358407488