Handle check-in reponse

Handle the check-in response in device check-in helper.

The provision process will be implemented in follow up change

Bug: 256896478
Test: built successfully
Change-Id: Id1901d5a09437fe829252375575af1b77bf9bb6f
(cherry picked from commit b23c6e1105f5535fa21879f34308554a582d09f4)
Merged-In: Id1901d5a09437fe829252375575af1b77bf9bb6f
15 files changed