vndk-def: Print source directory in deps-insight

With this commit, deps-insight will be able to print the module source
directory if `--module-info` is specified.

Bug: 62898574
Test: ./vndk_definition_tool.py deps-insight --module-info ...
Change-Id: I0934d51912c69df8200aca7ea548395b9425f497
4 files changed