Update wording for LTI Advantage messaging
Update wording for LTI Advantage messaging

Wording is now more useful for admins to determine
what permissions are being granted.

closes PLAT-4257

Test Plan:
 - Create a tool with all permisisons
 - Note that the help text is changed and useful

Change-Id: I23f50db5fad5d81565d64e8609d6a3da17f56321
Reviewed-on: https://gerrit.instructure.com/185851
Tested-by: Jenkins
Reviewed-by: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>
QA-Review: Marc Phillips <b810f855174e0bc032432310b0808df2cf714fbc@instructure.com>
Product-Review: Jesse Poulos <0a3f73d5b21621dbbacf36ae20620a7eb669a89e@instructure.com>

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