tree 45f0a53cb3b4521972fecfd72578317702b0a964
parent ea3377b4d47cf590548428df230b713231793ea6
author Daniel Cashman <dcashman@google.com> 1522277894 -0700
committer Daniel Cashman <dcashman@google.com> 1522422822 +0000

Require signing cert history certs to be unique.

Bug: 73943012
Test: android.appsecurity.cts.PkgInstallSignatureVerificationTest
Change-Id: Id7e91c60f1619ef793d73a9dd736debf7ad2ae0c
(cherry picked from commit ef05408bcdcb32d005f91ca295a1e514845a58f4)