Previously, permitted_packages were not copied to the sdk snapshot.
This change corrects that.
Bug: 193763688
Test: m nothing
- Added unit tests, which all failed and then fixed the tests.
Merged-In: I4560987f746f78c0ae706058195b6db4bea438aa
Change-Id: I4560987f746f78c0ae706058195b6db4bea438aa
(cherry picked from commit 869de147ab)