Merge "Switch from SHA-1 to SHA-256 for new signing key certs."
am: 574ad2ec86

* commit '574ad2ec8670cf46e7d0ff13f754076c48e326cd':
  Switch from SHA-1 to SHA-256 for new signing key certs.

Change-Id: I9b3c5beb373072609c00a54844e1951a9859ed91