Roll Fuchsia SDK from bf4956e56f91 to 4d52071a7689

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

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: Ia4a739ea250766e1d1747d2b39d0d2f529e41fba
Reviewed-on: https://chromium-review.googlesource.com/1119765Reviewed-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@{#571409}

build/fuchsia/sdk.sha1

-bf4956e56f91b6c3696518647881d28626c51984
+4d52071a7689a36752023349a1927ad7a6de168c
\ No newline at end of file