Keystore 2.0: Handle new upgradedBlob field in CreateOperationResponse

A new optional field upgradedBlob has been added to
CreateOperationResponse that allows keystore2 to send back the upgraded
key (if one exists) on calls to create_operation. Update keystore2 to
return this field.

Bug: 173546754
Bug: 181910578
Change-Id: I6bbb877489f3313e774de2795ce5bf8bc77a5ccf
1 file changed