Port cheap-ruler to java

[tobrun]

Feature request to make a port of cheap-ruler to java:

• https://github.com/mapbox/cheap-ruler
• https://github.com/mapbox/cheap-ruler-cpp

[stale]

This issue has been automatically detected as stale because it has not had recent activity and will be archived. Thank you for your contributions.

[stale]

This issue has been automatically detected as stale because it has not had recent activity and will be archived. Thank you for your contributions.