Merge tag 'android-8.1.0_r30' into lineage-15.1

Android 8.1.0 release 30

# gpg: Signature made Mon 04 Jun 2018 10:23:47 AM PDT using DSA key ID 9AB10E78
# gpg: Can't check signature: public key not found

* tag 'android-8.1.0_r30':
  Fixed invalid pdu issue