Roll Fuchsia SDK from 34935e0721ae to 477c4eb66fb4

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_audio;luci.chromium.try:fuchsia_x64_cast_audio
TBR=cr-fuchsia+bot@chromium.org

Change-Id: I9b8f18ea1cd663e98f956cbe45675794a0e9ff12
Reviewed-on: https://chromium-review.googlesource.com/c/1292970Reviewed-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@{#601421}

build/fuchsia/linux.sdk.sha1

-34935e0721aea5dead042914d1175f1e5f049dfa
\ No newline at end of file
+477c4eb66fb4440b1ee6c8e77fa8f629f188be8b
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-e8f423ee0c54f4d1b6fa43bd8a36945d1e950307
\ No newline at end of file
+ea7c7761e884cf21cd0168a2aed4e2871611ef2f
\ No newline at end of file