Class android.nfc.cardemulation.`CardEmulation`

Added Methods
`void` `registerNfcEventCallback`(`Executor,` `NfcEventCallback`)
`void` `unregisterNfcEventCallback`(`NfcEventCallback`)

Added Fields
`int` `NFC_INTERNAL_ERROR_COMMAND_TIMEOUT`
`int` `NFC_INTERNAL_ERROR_NFC_CRASH_RESTART`
`int` `NFC_INTERNAL_ERROR_NFC_HARDWARE_ERROR`
`int` `NFC_INTERNAL_ERROR_UNKNOWN`
`String` `PROPERTY_ALLOW_SHARED_ROLE_PRIORITY`

Class android.nfc.cardemulation.CardEmulation