WASHINGTON — “This is how I’m going to die, defending this entrance.” Capitol Police Officer Aquilino Gonell told House investigators Tuesday he could feel himself losing oxygen as he was crushed by rioters — supporters of former President Donald Trump — as he was defending the Capitol during the Jan. 6 insurrection. Gonell and other Capitol and Washington police officers gave emotional, sometimes-angry accounts of the attack to the new House committee investigating the day’s violent events.Metropolitan Police Officer …