Roll Fuchsia Linux SDK from xBJq6PsO5ebblODMe... to -csWUV7Dv3hETOoDw... (flutter/engine#43639)

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 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

Documentation for the AutoRoller is here:
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DEPS

@@ -899,7 +899,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': 'xBJq6PsO5ebblODMegtfmB5Q-Kaghtn_K0m3pR3dU60C'
+        'version': '-csWUV7Dv3hETOoDwiBHVjB-2sa36bEnpFP8NDjE7ucC'
        }
      ],
      'condition': 'host_os == "linux" and not download_fuchsia_sdk',

engine/src/flutter/ci/licenses_golden/licenses_fuchsia

@@ -1,4 +1,4 @@
-Signature: ad98b304d04164e717245b5c284794fb
+Signature: 660a1de2243347309a4f8f3d537edf94
 
 ====================================================================================================
 LIBRARY: fuchsia_sdk