Merge remote-tracking branch 'goog/upstream-master' into citadel-ba9f1d086

* goog/upstream-master:
  Revert "Transport protocol v1"
  keymaster: protos for attestation
  Transport protocol v1
  Add NOTICE files to get copyright info published
  NUGGET_PARAM_ENABLE_UPDATE tells us whether it worked or not
  keymaster: send back algorithm & key_bits to HAL

Bug: 109864210
Test: Update, boot, set and unlock with PIN
Change-Id: I58ca7da32b94b8494ad3522cc9bcba761388879f