Revert "[pm/incremental/api] exposing package state names and reasons"

This reverts commit c6924e68614393caed13ae918038c8d67a026d74.

Bug: 170959052
Test: Locally confirmed two reverts together fix app tray
Change-Id: I229b39ceb90dffc3e4b932223305ab3f126b9a7f
7 files changed