Merge "Use correct cert chain from PKCS#7 SignedData block." into nyc-dev
am: 7fe19060cf

* commit '7fe19060cfaf09e8756f6488c5f2d6c7bbdd92ea':
  Use correct cert chain from PKCS#7 SignedData block.

Change-Id: I5f93eac591446733fe7188e149ad5c4d970a1ba3