security_AccountsBaseline: add attestation to pkcs11 group

Changes in baseline to match CL 375478

CQ-DEPEND=CL:375478
BUG=chrome-os-partner:54712
BUG=chrome-os-partner:54710
TEST=security_AccountsBaseline passes

Change-Id: I12b2ef63254356d9c2e3a22401e599643ae717d0
Reviewed-on: https://chromium-review.googlesource.com/376038
Commit-Ready: Andrey Pronin <apronin@chromium.org>
Tested-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Darren Krahn <dkrahn@chromium.org>
diff --git a/client/site_tests/security_AccountsBaseline/baseline.group b/client/site_tests/security_AccountsBaseline/baseline.group
index e86ad20..2191752 100644
--- a/client/site_tests/security_AccountsBaseline/baseline.group
+++ b/client/site_tests/security_AccountsBaseline/baseline.group
@@ -29,7 +29,7 @@
 sshd:!:204:
 polkituser:!:206:
 tss:!:207:root,attestation,chaps,tpm_manager,trunks
-pkcs11:!:208:root,ipsec,chronos,chaps,wpa
+pkcs11:!:208:root,ipsec,chronos,chaps,wpa,attestation
 qdlservice:!:209:
 cromo:!:210:
 ipsec:!:212: