Roll Fuchsia SDK from 891260790372 to 891257969889

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: Ie4a1dd9c47e3d4371a603eb6752de67b6851c024
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1628119Reviewed-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@{#663070}

build/fuchsia/linux.sdk.sha1

-8912607903722280080
\ No newline at end of file
+8912579698895030512
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-8912611050038160288
\ No newline at end of file
+8912579022482664256
\ No newline at end of file