Added additional parameter TELEMETRY_SERVICE_AVAILABLE to support disabling Telemetry

[semyonmelman]

Added additional parameter TELEMETRY_SERVICE_AVAILABLE to support disabling Telemetry

Overview

SNOW-1881874

Pre-review self checklist

• PR branch is updated with all the changes from master branch
• The code is correctly formatted (run mvn -P check-style validate)
• New public API is not unnecessary exposed (run mvn verify and inspect target/japicmp/japicmp.html)
• The pull request name is prefixed with SNOW-XXXX:
• Code is in compliance with internal logging requirements

External contributors - please answer these questions before submitting a pull request. Thanks!

1. What GitHub issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   Issue: SNOW-1881874: CLIENT_TELEMETRY_ENABLED is always true and there is no possibility to override it #2029

2. Fill out the following pre-review checklist:

   • I am adding a new automated test(s) to verify correctness of my new code
   • I am adding new logging messages
   • I am modifying authorization mechanisms
   • I am adding new credentials
   • I am modifying OCSP code
   • I am adding a new dependency or upgrading an existing one
   • I am adding new public/protected component not marked with @SnowflakeJdbcInternalApi (note that public/protected methods/fields in classes marked with this annotation are already internal)

3. Please describe how your code solves the related issue.

   So basically additional variable TELEMETRY_SERVICE_AVAILABLE was added to have control over isTelemetryServiceAvailable variable in TelemetryClient that was hardcoded.

[github-actions]

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[semyonmelman]

I have read the CLA Document and I hereby sign the CLA