This adds an install keybox tool to the OEMCrypto unit test
directory. It is built when we build the OPK w/linux IPC.
This CL also adds some scripts to use this tool when running
the OPK Linux TA, and then runs the standard tests.
Bug: 295371549
Change-Id: I11e59faa3b24d906f573bcd3f4855e73a4aa5fdf