Remove unneeded API.

jsharkey pointed out that this functionality can be replicated through
Context.createPackageContextAsUser().getPackageManager().getPackageInfo(),
so this isn't needed anymore.

Bug: 119811056
Test: Replace callers of this API.
Change-Id: I72b54b9dbe6b66f360bd5105a8628c28d92f9ed2
2 files changed