Keystore 2.0: Restrict list to KeyType::Client.

Running keystore_cli_v2 as root included user0 super keys in the list of
keys. This revealed that the database list keys query was not
restrictive enough.

Bug: 188451778
Test: keystore_cli_v2 list as root should not include any super keys.
Merged-In: I803b7c19f3cdb8a29fbc114e74da1b0dc2473c81
Change-Id: I803b7c19f3cdb8a29fbc114e74da1b0dc2473c81
2 files changed