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

This reverts commit dbfe869c30480524e63edc7ada04b6728793a713.

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

Change-Id: I037112dbb6fa0997cadafefce2aac0089dc0f6f6
2 files changed