[native] Only send crash reports when staff or dev
[native] Only send crash reports when staff or dev

Test Plan: Tested with different scenarios (staff and dev, staff and !dev, etc) and logged to ensure crash reports only sent when expected.

Reviewers: ashoat

Reviewed By: ashoat

Subscribers: KatPo, palys-swm, Adrian

Differential Revision: https://phabricator.ashoat.com/D1330

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