Merge "Export extractDerSubjectFromCertificate() utility API for oem Hal usage" am: a66f64d05d am: 7a6999efd5 am: 783acdb09c am: 99049bde1c am: aed7ed136c

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

Change-Id: Iaf9c8f0a7c893afcd1dc0b744d66b5e684ed8620