Notifications: Notification token becomes invalid when restoring app to a new device

[sendhil]

Right now if a user gets a new phone and restores the app to their device the app still sees a token lying around and assumes it is valid. Unfortunately, it is not and push notifications fail like Starscream. Lets make sure to deal with this edge case.

[stale]

This issue has been marked as stale because:

• It has been inactive for the past year.
• It isn't in a project or a milestone.
• It hasn’t been labeled [Pri] Blocker, [Pri] High, or good first issue.

Please comment with an update if you believe this issue is still valid or if it can be closed. This issue will also be reviewed for validity and priority (cc @designsimply).

[designsimply]

Still valid. I made a note to test this next time I do a restore on a new phone.

[stale]

This issue has been marked as stale because:

• It has been inactive for the past year.
• It isn't in a project or a milestone.
• It hasn’t been labeled [Pri] Blocker, [Pri] High, or good first issue.

Please comment with an update if you believe this issue is still valid or if it can be closed. This issue will also be reviewed for validity and priority (cc @designsimply).