tree e5ce60ee7b7487926ccd924a6b4977cbe40c14b4
parent b9171a320680a85f4302c9cdfc2b2f54516f9c3f
author Shawn Willden <swillden@google.com> 1458242980 -0600
committer Shawn Willden <swillden@google.com> 1459346132 -0600

Describe required format for for PLATFORM_SECURITY_PATCH

Hardware-backed keystore attestation and version binding rely on
PLATFORM_SECURITY_PATCH having the format YYYY-MM-DD.

Bug: 22914603
Change-Id: If116e3ca5611920021b098d6b610ae609956aa5c