Compile with colcon

[talregev]

Can you update the document how to compile the code with colocn in dasing branch?
Thank you.

[talregev]

Can you update dashing scripts?
https://github.com/ros2-java/ros2_java/tree/dashing/ci-scripts
That will be with updated android sdk and ndk, also compile with colcon like here?
https://github.com/ros2-java/ros2_java/blob/colcon/ci-scripts/build_java.bash

Thank you.

[esteve]

@talregev support for Dashing is underway thanks to @jacobperron and CI is being revamped in #96,