[DO NOT MERGE] Revert "Fix system zen rules by using owner package name if caller is system"

This reverts commit b8c4819ec24a0ab8af72c10055ef02d5fa10a194.

Reason for revert: broke DND schedules in multi-user mode b/257477671

Change-Id: I7e20bc33a714c27257e11ba8ddcaf88a6e838a4e
2 files changed