Roll Fuchsia SDK from 882938bbc85e to 8384d21f4cd0

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: I11ddeb833b134c683193b4a1940ed3f730d8fd20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1504984Reviewed-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@{#638083}

build/fuchsia/linux.sdk.sha1

-882938bbc85eb6781490026cad45e29448c26cf1
\ No newline at end of file
+8384d21f4cd044e49e9688d570fa8527acfc709e
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-1a7a29783cf061f4b571e4ebc8f56a7dc1a82935
\ No newline at end of file
+81f6ea6d6e06600e407138c46ad4439b1db09a5e
\ No newline at end of file