[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 (cherry picked from commit ebbcea27014b33e1d69c93ece8510e12f6f31941) Merged-In: I7e20bc33a714c27257e11ba8ddcaf88a6e838a4e