NEW YORK — Mayor Adams has called it his “line in the sand.” And on Tuesday, if all goes according to the plans of the New York City Council leadership, local lawmakers will breach his line. The next question: Will the mayor dig in? Left-leaning Council lawmakers are poised to override the mayor’s veto of the so-called How Many Stops Act, which would require city cops to record basic information about each of their investigative stops. The moderate mayor says the bill would waste officers’ time, burying cops in paperwork when they should be serving as barriers to crime. Supporters of the measu…