tree ad6dafc79722cc6499e3f627dc61804caa8db04f
parent 25cf469a112f1b125ef4900b0e14c48994ebc062
author Jim Van Verth <jvanverth@google.com> 1580842309 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1580846874 +0000

Update iOS build instructions.

Updates information on managing newer versions of Xcode, and handling
older devices.

Change-Id: I6701c17268b013e3a57da931a73c49c25cb0bcfa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268630
Reviewed-by: Heather Miller <hcm@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>