For #11961: collect telemetry on all unique unsupported features that…#11969

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timvandermeij merged 1 commit intomozilla:masterfrom emalysz:11961-unsupported-feature-telemetry-error

Jun 12, 2020

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Commits on Jun 11, 2020

For mozilla#11961 : collect telemetry on all unique unsupported features that trigger fallback error.
emalysz
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