GitLab

Update the in-product help text shown after pull-to-refresh. Also,
always show the pull-to-refresh IPH above the pull handle (rather than
the expand button when accessibility is enabled).

BUG=787030

Change-Id: I4eb9a717ff43b6521733fd16cf22200cf3f06518
Reviewed-on: https://chromium-review.googlesource.com/794635Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#519925}