Include json files for SwANGLE

https://bitbucket.org/chromiumembedded/cef/issues/3176/win-linux-ship-vk_swiftshaderdll-vulkan

Author: amaitland

NuGet/cef.redist.nuspec

@@ -17,11 +17,8 @@
   <files>
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.dll" target="CEF\" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\swiftshader\*.dll" target="CEF\swiftshader" />
-    <!-- Since CEF 3.2357 the files natives_blob.bin and snapshot_blob.bin need to be distributed.
-         https://groups.google.com/a/chromium.org/forum/#!topic/chromium-packagers/75J9Y1vIc_E
-         http://www.magpcss.org/ceforum/viewtopic.php?f=6&t=12580
-     -->
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.bin" target="CEF\" />
+	<file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.json" target="CEF\" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\*.pak" target="CEF\"/>
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\*.dat" target="CEF\"/>
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\locales\*.pak" target="CEF\locales"/>

NuGet/chromiumembeddedframework.runtime.win.nuspec

@@ -24,6 +24,7 @@
   <files>
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.dll" target="runtimes\win-$Platform$\native" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.bin" target="runtimes\win-$Platform$\native\" />
+	<file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.json" target="runtimes\win-$Platform$\native\" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\*.pak" target="runtimes\win-$Platform$\native\"/>
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\*.dat" target="runtimes\win-$Platform$\native\"/>
     <file src="..\cef_binary_3.y.z_$CPlatform$\Readme.txt" target="\"/>