TPhonebookSyncRequestCancel in Telephony PHBKSYNC

TPhonebookSyncRequestCancel

Types of cancel requests for the asynchronous server requests.

`EDoSynchronisationCancelClient`	Cancel the asynchronous `RPhoneBookSession::DoSynchronisation()` request
`ESyncDeleteCntFromICCCancelClient`	Cancel the asynchronous `RPhoneBookSession::DeleteContact()` request
`ESyncWriteCntToICCCancelClient`	Cancel the asynchronous `RPhoneBookSession::WriteContact()` request
`ESyncNotifyCacheStateChangeCancelClient`	Cancel the asynchronous `RPhoneBookSession::NotifyPhBkCacheStateChange()` request

Enum TPhonebookSyncRequestCancel