A bicyclist who sustained a traumatic brain injury when his tire got caught in an exposed trolley rail crack while he was riding has settled his lawsuit against the city for $9.5 million.The Chicago City Council gave final approval to the settlement agreement Wednesday during its monthly meeting. Attorneys reached a deal in June at the start of a trial before Associate Judge Bridget Jane Hughes prior to a jury being selected.On Oct. 25, 2014, Catalin Dumitrescu was riding east on 56th Street in Hyde Park on a designated …