[API] Adds AwarenessInformationCollector

This is a 1:1 duplicate of the eclipse class.

Change-Id: I6f36d3e08480d5c0316e437eb6bb4c2c2fafcc24
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1917
Tested-by: Jenkins CI
Reviewed-by: Arndt Lasarzik <alasarzik@gmail.com>
Reviewed-by: Damla Durmaz <ddurmaz88@gmail.com>
Reviewed-by: Holger Schmeisky <google@schmeisky.com>