Roll Fuchsia Linux SDK from w-DJY4dBZWS7lxsxE... to XnZWRj5iNXgOHlVNi... (flutter/engine#43188)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-linux-sdk-flutter-engine
Please CC jsimmons@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

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To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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DEPS

@@ -899,7 +899,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': 'w-DJY4dBZWS7lxsxEB_57V_YQ5UnffDco57v3Udpz38C'
+        'version': 'XnZWRj5iNXgOHlVNi4dtRADj0q0KoZkpx5rPbBCZt3wC'
        }
      ],
      'condition': 'host_os == "linux" and not download_fuchsia_sdk',