Roll Fuchsia SDK from 71a461e9bc9c to 4654933febb7

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: I78deba6abf6e0afc6da54ba24ce16133e78031f2
Reviewed-on: https://chromium-review.googlesource.com/1225298Reviewed-by: Fuchsia SDK Autoroller <fuchsia-sdk-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: Fuchsia SDK Autoroller <fuchsia-sdk-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#591128}

build/fuchsia/linux.sdk.sha1

-71a461e9bc9c9f5c9a24d9f580cc0ea7dcfda1c0
+4654933febb76659749d66fe0ca6ff8ad68746e3
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-8be776b3c2a222010e7a7dec81257dcbb11470a4
+b945bb408f1e6ec1ecd0139100caa5d6b0a19539
\ No newline at end of file