Initial Telemetry backend and new analytics integration test.

scripts/run_tests_locally-analytics-backend.sh

scripts/run_tests_locally-analytics-frontend.sh

src/analytics/backend/service/AnalyticsBackendService.py

src/analytics/backend/service/AnalyzerHandlers.py

src/analytics/backend/service/Streamer.py

src/analytics/backend/tests/test_backend.py