chore: update tooltip golden file (#15479)

Fixes the API golden check failing against master.

Author: crisbeto

tools/public_api_guard/lib/tooltip.d.ts

@@ -15,31 +15,33 @@ export declare const MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER: {
 };
 
 export declare class MatTooltip implements OnDestroy, OnInit {
-  _overlayRef: OverlayRef|null;
-  _tooltipInstance: TooltipComponent|null;
-  disabled: boolean;
-  hideDelay: number;
-  message: string;
-  position: TooltipPosition;
-  showDelay: number;
-  tooltipClass: string|string[]|Set<string>|{
-    [key: string]: any;
-  };
-  constructor(
-      _overlay: Overlay, _elementRef: ElementRef<HTMLElement>, _scrollDispatcher: ScrollDispatcher,
-      _viewContainerRef: ViewContainerRef, _ngZone: NgZone, platform: Platform,
-      _ariaDescriber: AriaDescriber, _focusMonitor: FocusMonitor, scrollStrategy: any,
-      _dir: Directionality, _defaultOptions: MatTooltipDefaultOptions, hammerLoader?: HammerLoader);
-  _getOrigin(): {main: OriginConnectionPosition; fallback: OriginConnectionPosition;};
-  _getOverlayPosition(): {main: OverlayConnectionPosition; fallback: OverlayConnectionPosition;};
-  _handleKeydown(e: KeyboardEvent): void;
-  _handleTouchend(): void;
-  _isTooltipVisible(): boolean;
-  hide(delay?: number): void;
-  ngOnDestroy(): void;
-  ngOnInit(): void;
-  show(delay?: number): void;
-  toggle(): void;
+    _overlayRef: OverlayRef | null;
+    _tooltipInstance: TooltipComponent | null;
+    disabled: boolean;
+    hideDelay: number;
+    message: string;
+    position: TooltipPosition;
+    showDelay: number;
+    tooltipClass: string | string[] | Set<string> | {
+        [key: string]: any;
+    };
+    constructor(_overlay: Overlay, _elementRef: ElementRef<HTMLElement>, _scrollDispatcher: ScrollDispatcher, _viewContainerRef: ViewContainerRef, _ngZone: NgZone, platform: Platform, _ariaDescriber: AriaDescriber, _focusMonitor: FocusMonitor, scrollStrategy: any, _dir: Directionality, _defaultOptions: MatTooltipDefaultOptions, hammerLoader?: HammerLoader);
+    _getOrigin(): {
+        main: OriginConnectionPosition;
+        fallback: OriginConnectionPosition;
+    };
+    _getOverlayPosition(): {
+        main: OverlayConnectionPosition;
+        fallback: OverlayConnectionPosition;
+    };
+    _handleKeydown(e: KeyboardEvent): void;
+    _handleTouchend(): void;
+    _isTooltipVisible(): boolean;
+    hide(delay?: number): void;
+    ngOnDestroy(): void;
+    ngOnInit(): void;
+    show(delay?: number): void;
+    toggle(): void;
 }
 
 export declare const matTooltipAnimations: {