[FEATURE] - support for "partial" Preflight tests

[yanniel]

Is your feature request related to a problem? Please describe.

A Preflight test report contains a lot of information. Users might be interested only in a portion of it. It would be beneficial to specify what should the test do and report.

I suspect that if a user is only interested in the networkTiming portion of the test, the test itself would be easier to set-up (ex. we might not even need the TwiML Apps.

It is also reasonable to think the test would be faster if portions of it are excluded.

Describe the solution you'd like

We could either specify the portions of the test we want to avoid (ex. exclude_from_report) or the ones we want to include (ex.include_in_report)

const preflightTest = Device.runPreflight(twilioAccessToken, {
    codecPreferences: ["opus", "pcmu"],
    fakeMicInput: true, 
    signalingTimeoutMs: 30000,
    exclude_from_report: ["samples"], // or include_in_report: ["networkTiming"],
});

Describe alternatives you've considered

None

Additional context

None