Bugfix: Ensure archived app icons persist when app main activity name changes post unarchival.

* In case app main activity changes, archived app icon should not disappear.
* We need to make sure the corresponding new intent is applied correctly to the app icon on activity name change.

Test: verified bugfix locally.
Bug: 324545643
Bug: 325458020
Flag: ACONFIG com.android.launcher3.enable_support_for_archiving DEVELOPMENT
Change-Id: I0134e57e3536d05fc96c8cfcf5f57fd8f4df5f1f