Activity 1.1 Evaluate current OONI measurements

[hellais]

Based on the data we are already collecting, we will assess if it is possible to already identify faulty network measurements to establish a baseline.

We will first implement a set of very simple heuristics that operate on the features which we already collect and evaluate if we can detect faulty measurements. Examples of this include looking at the consistency between the probe_cc reported in the measurement and the IP address of the probe sending the measurements or other inconsistencies in the measurement itself.

[hellais]

Closing as duplicate of #896