8P1 - RESOLUTION AUTHORIZING ADDITIONAL EXPENDITURE AUTHORITY IN THE AMOUNT OF $61,320,728.00 FOR A TOTAL MODIFIED CONTRACT AMOUNT OF $121,320,728.00 FOR CONTRACT NO. D-10253, MOTOROLA PUBLIC SAFETY RADIOS AND CAPITAL INFRASTRUCTURE, FOR MULTIPLE COUNTY DEPARTMENTS; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXERCISE ALL PROVISIONS OF THE CONTRACT, INCLUDING ANY CANCELLATION OR EXTENSIONS, PURSUANT TO SECTION 2-8.1 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA AND IMPLEMENTING ORDER 3-38(Strategic Procurement)