Add metadata to validate incoming administrator during transfer of ownership.

Bug: 69543092
Test: cts-tradefed run cts-dev --module DevicePolicyManager --test com.android.cts.devicepolicy.MixedDeviceOwnerHostSideTransferTest#testTransfer
Test: cts-tradefed run cts-dev --module DevicePolicyManager --test com.android.cts.devicepolicy.MixedDeviceOwnerHostSideTransferTest#testTransferNoMetadata
Change-Id: Iccefb37836d0f88e9d4f692ecf9aba6d3197ad08
4 files changed