Do not save the resolved target component in task intent

The target component was resolved and being stored in the
task intent when starting an alias activity. So, the target
component were directly being used for the launches while
restarting the app from Recents.

Bug: 117677267
Test: atest TaskRecordTests

Change-Id: I7df9efb908c3b0d2872d572b671901724c949515