Avoid crashing when downloading MitM'd PAC that is too big am: 7d2198b586 am: 9c1cb7a273 am: 6634e90ad7 am: 66ee2296a9 Change-Id: Ib0023b44e521b936ab2f9450ad367b1feda64492 (cherry picked from commit d37eb7646581a2ffc68b11ccb67e3457716d878e)