Cert: Fix test infra to meet latest environment requirement

* Restrict protobuf Python package to below 4.0 so that AOSP aprotoc
  generated code still works
* Static link NDK libraries so that it works in mainline compilation
  environment

Bug: 232258524
Test: gd/cert/run
Tag: #bug-fix
Change-Id: I6d4a14ce90d4d1db06d78cf6ab8de4bc08275c58