Passing the writing repair mode password flag to verify credential api

Handles the ACTION_PREPARE_REPAIR_MODE_DEVICE_CREDENTIAL intent to
prompt the user for device credentials. Passing the writing repair
mode password flag to the verify credential api when the user is
authenticating.

Bug: 277561275
Test: am start -a android.app.action.PREPARE_REPAIR_MODE_DEVICE_CREDENTIAL
Change-Id: Id018586b0ed535555c157b7516c9571b049978ad