Make us of the authsecret HAL.

Derive a secret from the primary user's synthetic password and pass it
to the HAL.

Bug: 71527305
Test: runtest frameworks-services -p com.android.server.locksettings
Test: cts-tradefed run cts-dev -m CtsDevicePolicyManagerTestCases -t com.android.cts.devicepolicy

Change-Id: If3ed5d56375e9fd81fcbb16b172e908804fd568a
7 files changed