pmem uses a block file while access_ramoops uses a char file. Allow both for
now until we can unify on pmem.
Additionally allow the reading of vendor properties so it can read the
path to the character or block device to open.
Test: atest VtsHalRebootEscrowTargetTest
Bug: 146400078
Change-Id: Ief61534e0946480a01c635ce1672579959ec8db5
This adds the type and permissions for the default implementation to talk to
its kernel module.
Bug: 63928581
Test: boot Pixel 4 with default implementation
Change-Id: Ie847e4db975b95e90ea64937401e8d8a8ed812cb
When an OTA is downloaded, the RecoverySystem can be triggered to store
the user's lock screen knowledge factor in a secure way using the
IRebootEscrow HAL. This will allow the credential encrypted (CE)
storage, keymaster credentials, and possibly others to be unlocked when
the device reboots after an OTA.
Bug: 63928581
Test: make
Test: boot emulator with default implementation
Test: boot Pixel 4 with default implementation
Change-Id: I1f02e7a502478715fd642049da01eb0c01d112f6
