Fixing security issue for deleting alarms

The delete, update and patch methods of the alarm service were not using the tenantId to query for metrics.
This is a security bug because someone could potentially view or affect metrics that were not under their
tenant_id.

Change-Id: Ia7a721b8ed82463c55259d3527ebb587dfdd652a
Merge "Fixing security issue for deleting alarms"