fix(tooltip/snackbar): add proper OverlayInfo import

Author: RivaIvanova

projects/igniteui-angular/core/src/services/public_api.ts

@@ -9,7 +9,7 @@ export * from './overlay/scroll';
 export {
     AbsolutePosition, ConnectedFit, HorizontalAlignment, OffsetMode, OverlayAnimationEventArgs, OverlayCancelableEventArgs, OverlayClosingEventArgs,
     OverlayCreateSettings, OverlayEventArgs, OverlaySettings, Point, PositionSettings, RelativePosition, RelativePositionStrategy, Size, VerticalAlignment, Util,
-    IgxOverlayOutletDirective
+    IgxOverlayOutletDirective, OverlayInfo
 } from './overlay/utilities';
 export * from './transaction/base-transaction';
 export * from './transaction/hierarchical-transaction';

projects/igniteui-angular/directives/src/directives/tooltip/tooltip.directive.ts

@@ -5,10 +5,9 @@ import {
     AfterViewInit,
     Injectable,
 } from '@angular/core';
-import { IgxOverlayService, OverlaySettings, PlatformUtil } from 'igniteui-angular/core';
+import { IgxOverlayService, OverlayInfo, OverlaySettings, PlatformUtil } from 'igniteui-angular/core';
 import { IgxToggleDirective } from '../toggle/toggle.directive';
 import { IgxTooltipTargetDirective } from './tooltip-target.directive';
-import { OverlayInfo } from '../../../../core/src/services/overlay/utilities';
 
 /**
  * Measures **after** moving the element into the overlay outlet so that parent

projects/igniteui-angular/snackbar/src/snackbar/snackbar.component.ts

@@ -10,10 +10,9 @@ import {
 } from '@angular/core';
 import { takeUntil } from 'rxjs/operators';
 import { ContainerPositionStrategy, GlobalPositionStrategy, HorizontalAlignment,
-    IgxOverlayService, PositionSettings, VerticalAlignment } from 'igniteui-angular/core';
+    IgxOverlayService, OverlayInfo, PositionSettings, VerticalAlignment } from 'igniteui-angular/core';
 import { ToggleViewEventArgs, IgxButtonDirective, IgxNotificationsDirective } from 'igniteui-angular/directives';
 import { fadeIn, fadeOut } from 'igniteui-angular/animations';
-import { OverlayInfo } from '../../../core/src/services/overlay/utilities';
 
 /**
  * Measures **after** moving the element into the overlay outlet so that parent