[INTERNAL] moved getAwarenessDetails method from AwarenessCollector

This method was only used in one place.

Change-Id: Iffc404e843bd26c82c98e9ad49e3c70ff68668cd
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1722
Tested-by: Jenkins-Eclipse QA
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>