Fix analytics type export

[hsubox76]

Add type to exclude from being included in js bundle.

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Latest commit: e67eee1

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Affected Products

No changes between base commit (f7e3054) and head commit (cce3e19).

Test Logs

• Base (f7e3054): https://github.com/firebase/firebase-js-sdk/actions/runs/502535262
• Head (cce3e19): https://github.com/firebase/firebase-js-sdk/actions/runs/502564851