Roll Fuchsia SDK from 27b26db9b587 to 48f6adba0af9

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: I0bd66935e1028ca587363e5b045ac210344de291
Reviewed-on: https://chromium-review.googlesource.com/c/1488499Reviewed-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@{#635453}

build/fuchsia/linux.sdk.sha1

-27b26db9b587c4ff037303143e657b52f57ee6f5
+48f6adba0af907ddbe838c85ab4b92d0b9d92a94
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-1307ca6a145865187497f1a67451bf80be242fb5
+233e51f2176ef6d11260d3ca7eb6e02d92c562f9
\ No newline at end of file