[FEAT] Api: Check for every single warning and not all at once

The warning handler was designed that it's executed for each separate
warning and not for mutliple warnings in the same 'mod'.

Change-Id: I1c4f126487da6db0e460ba7d3d7b6edf5e42b15d
Merge "[FEAT] Api: Check for every single warning and not all at once"