refactor(material/legacy-tabs): rename ts symbols

Author: wagnermaciel

src/material/legacy-tabs/public-api.ts

@@ -9,7 +9,7 @@
 import {_MatTabBase} from '@angular/material/tabs';
 
 export {MatLegacyTabsModule} from './tabs-module';
-export * from './tab-group';
+export {MatLegacyTabGroup} from './tab-group';
 export {MatLegacyInkBar} from './ink-bar';
 export {MatLegacyTabBody, MatLegacyTabBodyPortal} from './tab-body';
 export {MatLegacyTabHeader} from './tab-header';

src/material/legacy-tabs/testing/public-api.ts

@@ -6,8 +6,14 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-export * from './tab-group-harness';
-export * from './tab-harness';
-export * from './tab-harness-filters';
-export * from './tab-nav-bar-harness';
-export * from './tab-link-harness';
+export {MatLegacyTabGroupHarness} from './tab-group-harness';
+export {MatLegacyTabHarness} from './tab-harness';
+export {
+  LegacyTabHarnessFilters,
+  LegacyTabGroupHarnessFilters,
+  LegacyTabLinkHarnessFilters,
+  LegacyTabNavBarHarnessFilters,
+  LegacyTabNavPanelHarnessFilters,
+} from './tab-harness-filters';
+export {MatLegacyTabNavBarHarness} from './tab-nav-bar-harness';
+export {MatLegacyTabLinkHarness} from './tab-link-harness';