Revert "Finish child sessions when verification/setPermission fa..."

Revert submission 16345090-bug207814969

Bug: 208767113
Reason for revert: DroidMonitor-triggered revert due to breakage b/208767113.
Reverted Changes:
I76a2dc48d:Finish child sessions when verification/setPermiss...
I1f9b5f905:Add session cleanup tests for multi-package sessio...
Change-Id: I7366ee43c546c1055c6f85ae291e0820c2fd1636
1 file changed