[lib] Modify `reportStoreReducer to add media reports to `state.reportStore.queuedReports`
[lib] Modify `reportStoreReducer to add media reports to `state.reportStore.queuedReports`

Summary: Essentially cut/pasted `reduceQueuedReports` from `report-reducer.js` (which is removed in next diff).

Test Plan: Triggered media reports and observed in redux dev tools that `state.queuedReports` and `state.reportStore.queuedReports` were updated as expected

Reviewers: ashoat

Reviewed By: ashoat

Subscribers: KatPo, palys-swm, Adrian

Differential Revision: https://phabricator.ashoat.com/D1512

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