fix(tooltip): Fixing component definition of MDCTooltipAdatper#deregisterAnchorEventHandler.

PiperOrigin-RevId: 370107078

Author: sayris

packages/mdc-tooltip/component.ts

@@ -240,7 +240,7 @@ export class MDCTooltip extends MDCComponent<MDCTooltipFoundation> {
         this.anchorElem?.addEventListener(evt, handler);
       },
       deregisterAnchorEventHandler: (evt, handler) => {
-        this.anchorElem?.addEventListener(evt, handler);
+        this.anchorElem?.removeEventListener(evt, handler);
       },
       registerDocumentEventHandler: (evt, handler) => {
         document.body.addEventListener(evt, handler);

packages/mdc-tooltip/foundation.ts

@@ -1300,6 +1300,7 @@ export class MDCTooltipFoundation extends MDCFoundation<MDCTooltipAdapter> {
             'mouseleave', this.richTooltipMouseLeaveHandler);
       }
     }
+    this.adapter.deregisterAnchorEventHandler('blur', this.anchorBlurHandler);
 
     this.adapter.deregisterDocumentEventHandler(
         'click', this.documentClickHandler);

packages/mdc-tooltip/test/foundation.test.ts

@@ -1943,6 +1943,8 @@ describe('MDCTooltipFoundation', () => {
         .toHaveBeenCalledWith('scroll', jasmine.any(Function));
     expect(mockAdapter.deregisterWindowEventHandler)
         .toHaveBeenCalledWith('resize', jasmine.any(Function));
+    expect(mockAdapter.deregisterAnchorEventHandler)
+        .toHaveBeenCalledWith('blur', jasmine.any(Function));
   });
 
   it('#destroy removes the event listeners for default rich tooltips', () => {