Background
See T406261: [EPIC] SDS 2.4.3 Create a suite of standard metrics to use in experiments
AC
- The TimedTick instrumentation component is implemented per the spec
- The implementation is tested against the notes in: https://docs.google.com/document/d/1sOMLlIFZqwMBUe3I2uh7aZJSa1WvVmTb9wchpHHBZlc/edit?tab=t.383yn9sr6nnq#heading=h.hlwsmi81s2ox
- See T394042: Harmonious ClickThroughRate instrument for context
- Documentation is created/updated accordingly
- The instrumentation component is announced