[RFPM01] Merge package added/removed methods

There are two methods to handle package added/removed from
two differnt listeners. It can use one of listener to handle the
changes. Thus, keep PackageManagerInternal#PackageListObserver
but remove the listening from ConnectivityService.

Bug: 132784544
Test: atests FrameworksNetTests
Change-Id: Ib2db85e4108f9fda731bf6667d0af0610fc79fea
3 files changed
tree: c19bb1c53933b8db0efa2ccf9e555b207298037e
  1. core/
  2. services/
  3. tests/