Add TEST_MAPPING for the APF low-level code.

Currently, this will run NetworkStackTests (which run the
interpreter) and apf_run_test (which runs the disassembler).

Also disable apf_run_test on Windows because it's a shell script
that relies on bash.

Bug: 66928272
Test: treehugger
Change-Id: I0773887604a2c41e63e4c6c629ad81c3e6143bcc
2 files changed