Update New Analytics Feature Flag verbiage
Update New Analytics Feature Flag verbiage

Closes PLYT-2991

Change-Id: I0e61c2c6aac3817190cf720eff69f10adbef7a58
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/229457
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Mysti Lilla <431d062aff1e8f25416b3a7b732fe6effdb03f9a@instructure.com>
QA-Review: Mysti Lilla <431d062aff1e8f25416b3a7b732fe6effdb03f9a@instructure.com>
Product-Review: Dan Lecocq <b85c7fd9e9b8c5c33e05d20e0bceadc64fbad9ea@instructure.com>

djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,djbender/canvas-lms