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: Ieb7d6d212fe26ffa61aa6714ed8315b2c98bfe3d