By Lance Lysowski and Katherine Fitzgerald, The Buffalo News, N.Y. PITTSFORD — The injury news of safety C.J. Gardner-Johnson leaving the field dominated Saturday’s practice at St. John Fisher University, but the Buffalo Bills got good news on a different injury front. On Day 3, for the first time this training camp, inside linebacker Terrel Bernard participated in 11-on-11 work. “Felt good,” Bernard told The Buffalo News with a smile. “Been a l…