Roll Fuchsia SDK from 138f39e8ec63 to 9b4813214fa0

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: I8bf0d6f701acacab271a44dd23f80ff6ac303de0
Reviewed-on: https://chromium-review.googlesource.com/1145043Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: Fuchsia SDK Autoroller <fuchsia-sdk-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577032}

build/fuchsia/sdk.sha1

-138f39e8ec632173fa8d82466242bf36032cdcce
+9b4813214fa05bed350c3beef2650fa7a0604aca
\ No newline at end of file

third_party/fuchsia-sdk/BUILD.gn

@@ -36,7 +36,6 @@ fuchsia_sdk_pkg("async_default") {
 fuchsia_sdk_pkg("fdio") {
   sources = [
     "include/lib/fdio/debug.h",
-    "include/lib/fdio/io.fidl.h",
     "include/lib/fdio/io.h",
     "include/lib/fdio/limits.h",
     "include/lib/fdio/module.modulemap",