* Create AccountService.aidl and AccountServiceProxy in emailcommon
* Implement AccountService in email
* Use AccountServiceProxy in Exchange for account reconciliation,
notifications, etc.
* Move sync window constants into emailcommon
* Split attachment provider utilities and constants into emailcommon
Bug: 3442973
Change-Id: I89dce28b799b193243c07774dab65d830ae62775
* Split PolicySet from SecurityPolicy and move to emailcommon
* Define PolicyService that sync adapter services can use to
interact with the Email DPM administrator
* Implement PolicyServiceProxy for exchange
* Implement PolicyService in email
* Modify imports, references, etc. as required
Bug: 3442973
Change-Id: I92015e21f780a68754b318da89fbb33570f334a2
Marc Blank