Add prod GEEK to rkp_factory_extraction_tool

The production Google Endpoint Encryption Key has been generated, so
include it in the tooling that is used at the factory to encrypt the
Boot Certificate Chain.

Keep test mode support around, gating it behind a flag.

Ignore-AOSP-First: No merge path to aosp, will manually merge
Test: librkp_factory_extraction_test
Bug: 191301285
Change-Id: I62d6251610aab10b91661eda3ae801f1bb6ff5dc
2 files changed