Enable self-testing by default in rkp factory tool

This way, we run the self test when extracting a CSR on the factory
line by default. This will ensure that devices producing bad payloads
will be more likely to be caught earlier in the manufacturing flow.

Test: ran tool devices with V2 and V3 HALs
Bug: 284098419
Change-Id: I79b50da7f86da50ebcfe18caf06046f1a39c6e81
4 files changed