Roll Fuchsia SDK from 98ba6c8440c2 to b9dd8279f122

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
TBR=sergeyu@chromium.org
TBR=mmenke@chromium.org

Change-Id: I470f7f3a9b10ed9c31b40b02e1f5a01a36ff25f4
Reviewed-on: https://chromium-review.googlesource.com/1246955
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594479}

build/fuchsia/linux.sdk.sha1

-98ba6c8440c2afb334433de9bb901a0f97efe1e1
\ No newline at end of file
+b9dd8279f122d4d9718e66d5b9bd974b18924d57
\ No newline at end of file

build/fuchsia/mac.sdk.sha1

-bd8834505d919018dd7ffdc5fa42eb04616ca9f5
\ No newline at end of file
+ebbe4babd77b3b6a943ebc24daeeb48b1a2468d5
\ No newline at end of file

net/base/network_change_notifier_fuchsia_unittest.cc

@@ -146,8 +146,13 @@ class FakeNetstack : public fuchsia::netstack::Netstack {
   void GetStats(uint32_t nicid, GetStatsCallback callback) override {}
   void GetAggregateStats(GetAggregateStatsCallback callback) override {}
   void SetInterfaceStatus(uint32_t nicid, bool enabled) override {}
-  void SetRouteTable(
-      ::fidl::VectorPtr<fuchsia::netstack::RouteTableEntry> rt) override {}
+  void AddEthernetDevice(
+      fidl::StringPtr topological_path,
+      fidl::InterfaceHandle<::zircon::ethernet::Device> device) override {}
+  void StartRouteTableTransaction(
+      fidl::InterfaceRequest<fuchsia::netstack::RouteTableTransaction>
+          routeTableTransaction,
+      StartRouteTableTransactionCallback callback) override {}
   void SetInterfaceAddress(uint32_t nicid,
                            fuchsia::netstack::NetAddress addr,
                            uint8_t prefixLen,