add index privileges to support reroute processor

Author: juliaElastic

x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/service/ElasticServiceAccounts.java

@@ -50,6 +50,7 @@ final class ElasticServiceAccounts {
             new RoleDescriptor.IndicesPrivileges[] {
                 RoleDescriptor.IndicesPrivileges.builder()
                     .indices(
+                        "logs", "metrics", "logs.*", "metrics.*",
                         "logs-*",
                         "metrics-*",
                         "traces-*",