Revert "Update PackageInfo APIs to reflect shared UID status"

Revert "Update test to check PackageInfo"

Revert submission 17050883-leave_shared_uid_pkginfo

Reason for revert: Breaks AppIntegrityManagerTest* tests
Bug: 223167660
Reverted Changes:
I9a0c5d5ad:Update PackageInfo APIs to reflect shared UID stat...
Ib338b21ab:Update test to check PackageInfo

Change-Id: I7b5debf8c0ba38bf168a4fff36108ceef4e294a8