vndk-def: Print dest source directory in check-dep

This commit prints the source directory of the dependencies shown in
the check-dep subcommand.

Test: ./vndk-definition-tool.py check-dep --module-info ... and the
MODULE_PATH shows up in the dependencies.

Bug: 62898574
Change-Id: Ic22e6962831425dd19270f028f319245b8be5529