refactor(material/legacy-progress-bar): rename ts symbols

Author: wagnermaciel

src/material/legacy-progress-bar/public-api.ts

@@ -6,5 +6,14 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-export * from './progress-bar-module';
-export * from './progress-bar';
+export {MatLegacyProgressBarModule} from './progress-bar-module';
+export {
+  LegacyProgressAnimationEnd,
+  MAT_LEGACY_PROGRESS_BAR_LOCATION,
+  MatLegacyProgressBarLocation,
+  MAT_LEGACY_PROGRESS_BAR_LOCATION_FACTORY,
+  LegacyProgressBarMode,
+  MatLegacyProgressBarDefaultOptions,
+  MAT_LEGACY_PROGRESS_BAR_DEFAULT_OPTIONS,
+  MatLegacyProgressBar,
+} from './progress-bar';

src/material/legacy-progress-bar/testing/public-api.ts

@@ -6,5 +6,5 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-export * from './progress-bar-harness';
-export * from './progress-bar-harness-filters';
+export {MatLegacyProgressBarHarness} from './progress-bar-harness';
+export {LegacyProgressBarHarnessFilters} from './progress-bar-harness-filters';