Merge "Export extractDerSubjectFromCertificate() utility API for oem Hal usage" am: a66f64d05d am: 7a6999efd5 am: 783acdb09c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1996432

Change-Id: I6d0a0580c42bbb997c186f26380c4bc8f55464b8