Currently, logs display the hash values of X-Auth-Token, Authorization, and X-Subject-Token, but not the value of the X-Service-Token. This patch set adds the X-Service-Token to the list of header fields to be hashed for logging purposes. Change-Id: Iaa3a27f4b6c3baf964fa0c71328ffe9df43b2c0a Closes-Bug: #1654847