vndk-def: Add regex matching to tag file reader

This commit add regular expression support to tag file reader and stop
hard coding SP-HAL in vndk_definition_tool.py.

Test: ./tests/run.py
Test: Run vndk_definition_tool.py for a device and all outputs are same
Change-Id: Iae2631a965045e80c7373970e3f1e61209f3006a
4 files changed