Include challenge in test_rkpd_attestation_key_upgrade

KeyMint.generateKey requires a challenge to be passed when a key
blob is also passed. The test missed this, and was thus failing on
compliant HALs.

Bug: 301223273
Test: keystore2_test
Change-Id: Icf7a32683c85d87fddd7d05ba07a110bb4e38c79
diff --git a/keystore2/src/rkpd_client.rs b/keystore2/src/rkpd_client.rs
index 0ea2d39..938d389 100644
--- a/keystore2/src/rkpd_client.rs
+++ b/keystore2/src/rkpd_client.rs
@@ -685,6 +685,10 @@
                         tag: Tag::ALGORITHM,
                         value: KeyParameterValue::Algorithm(Algorithm::AES),
                     },
+                    KeyParameter {
+                        tag: Tag::ATTESTATION_CHALLENGE,
+                        value: KeyParameterValue::Blob(vec![0; 16]),
+                    },
                     KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(128) },
                 ];
                 let attestation_key = AttestationKey {