More tweaks to iOS build instructions.

The <>s in the version number were being treated as an HTML tag, and I
figured I'd make things a little clearer in other places.

Change-Id: I625f44320724ac72fe464c76a3eff736432a9d36
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268796
Auto-Submit: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Commit-Queue: Heather Miller <hcm@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Heather Miller <hcm@google.com>
1 file changed