Fix event types of XMLHttpRequest #8691

  interface XMLHttpRequest extends EventTarget, XMLHttpRequestEventTarget {
      msCaching: string;
 -    onreadystatechange: (ev: ProgressEvent) => any;
 +    onreadystatechange: (ev: Event) => any;
      readonly readyState: number;
      readonly response: any;
      readonly responseText: string;
      readonly LOADING: number;
      readonly OPENED: number;
      readonly UNSENT: number;
 -    addEventListener(type: "abort", listener: (ev: Event) => any, useCapture?: boolean): void;
 -    addEventListener(type: "error", listener: (ev: ErrorEvent) => any, useCapture?: boolean): void;
 -    addEventListener(type: "load", listener: (ev: Event) => any, useCapture?: boolean): void;
 -    addEventListener(type: "loadend", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 -    addEventListener(type: "loadstart", listener: (ev: Event) => any, useCapture?: boolean): void;
 +    addEventListener(type: "readystatechange", listener: (ev: Event) => any, useCapture?: boolean): void;
 +    addEventListener(type: "loadstart", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: "progress", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 -    addEventListener(type: "readystatechange", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "abort", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "error", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "load", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: "timeout", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "loadend", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: string, listener: EventListenerOrEventListenerObject, useCapture?: boolean): void;
  }

  interface XMLHttpRequestEventTarget {
 -    onabort: (ev: Event) => any;
 -    onerror: (ev: Event) => any;
 -    onload: (ev: Event) => any;
 +    onabort: (ev: ProgressEvent) => any;
 +    onerror: (ev: ProgressEvent) => any;
 +    onload: (ev: ProgressEvent) => any;
      onloadend: (ev: ProgressEvent) => any;
 -    onloadstart: (ev: Event) => any;
 +    onloadstart: (ev: ProgressEvent) => any;
      onprogress: (ev: ProgressEvent) => any;
      ontimeout: (ev: ProgressEvent) => any;
 -    addEventListener(type: "abort", listener: (ev: Event) => any, useCapture?: boolean): void;
 -    addEventListener(type: "error", listener: (ev: ErrorEvent) => any, useCapture?: boolean): void;
 -    addEventListener(type: "load", listener: (ev: Event) => any, useCapture?: boolean): void;
 -    addEventListener(type: "loadend", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 -    addEventListener(type: "loadstart", listener: (ev: Event) => any, useCapture?: boolean): void;
 +    addEventListener(type: "loadstart", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: "progress", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "abort", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "error", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "load", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: "timeout", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
 +    addEventListener(type: "loadend", listener: (ev: ProgressEvent) => any, useCapture?: boolean): void;
      addEventListener(type: string, listener: EventListenerOrEventListenerObject, useCapture?: boolean): void;
  }