Roll Fuchsia SDK from 912a4908d4c4 to 59b243456fcd

The AutoRoll server is located here: https://autoroll.skia.org/r/fuchsia-sdk-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=luci.chromium.try:fuchsia-arm64-cast;luci.chromium.try:fuchsia-x64-cast
TBR=cr-fuchsia+bot@chromium.org

Change-Id: Icbb5afb6b21e64e5717717b68182e4480f45be5e
Reviewed-on: https://chromium-review.googlesource.com/c/1357880Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#612966}

build/fuchsia/linux.sdk.sha1

-912a4908d4c47f9cdeacb89e1eb195849fe689fa
+59b243456fcd9333002c5e48d6222306d5847467
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-3be233eb71e004ec300b6e2cab342e1631f85505
+8a92180c8cd2564d75402691413b10195c6da36e
\ No newline at end of file