Keystore 2.0: Boot level key: Add missing digest to operation params

When generating the boot level zero key the operation params were
missing the digest parameter which throws off some KM implementaions.

Ignore-AOSP-First: No automerge path from AOSP.
Bug: 187862706
Test: Reboot twice after applying the patch. Check logs from odsign for
      sucessful recovery of boot level keys.
Change-Id: Ic719fcaae4fc3f5550fcf14b55143c1ca1f125cc
1 file changed