Basic alarm threshold evaluation logic.

Partially addresses BP alarm-distributed-threshold-evaluation.

Threshold evaluation logic encapsulating basic alarm statistics
querying, threshold comparison, and state transition rules.

Change-Id: I0f3a50809985d25ab0eceb990b142da8701a9616
Simple service for singleton threshold eval

A skeleton service for singleton threshold evaluation
of alarms (i.e. with trivial global partitioning).

Change-Id: I6081ac92b04ecffa1fb8783c36e9fe12004c2129
Merge "Basic alarm threshold evaluation logic."
Merge "Simple service for singleton threshold eval"