Move the CLI corefx dependencies from RC2 to RC3 - rc3-24113-00.

- Disable crossgen for windows.Tracked by - https://github.com/dotnet/cli/issues/3059
- And also fix #2974

TestAssets/TestProjects/TestRuleSet/TestLibraryWithRuleSet/project.json

@@ -1,16 +1,18 @@
 {
   "version": "1.0.0-*",
   "buildOptions": {
-    "additionalArguments": [ "/ruleset:../global.ruleset" ]
+    "additionalArguments": [
+      "/ruleset:../global.ruleset"
+    ]
   },
   "dependencies": {
-    "NETStandard.Library": "1.5.0-rc2-24027",
+    "NETStandard.Library": "1.5.0-rc3-24113-00",
     "System.Runtime.Analyzers": {
       "version": "1.1.0",
       "type": "build"
     }
   },
   "frameworks": {
-    "netstandard1.5": {}
+    "netstandard1.6": {}
   }
 }