Merge tag 'android-security-13.0.0_r21' into staging/lineage-20.0_android-security-13.0.0_r21

Android security 13.0.0 release 21

* tag 'android-security-13.0.0_r21':
  Disallow connect with key length downgrade
  Disallow connect with Secure Connections downgrade
  Add support for checking security downgrade

Change-Id: Ifd10be802bae4598ccb9544bc24ee9e4b4a3f7d7