Update DependencyAnalyzer.cs (#21)

Author: dingmeng-xue

tools/StaticAnalysis/DependencyAnalyzer/DependencyAnalyzer.cs

@@ -119,6 +119,7 @@ public class DependencyAnalyzer : IStaticAnalyzer
             "System.Resources.ResourceManager",
             "System.Resources.Writer",
             "System.Runtime",
+            "System.Runtime.CompilerServices.Unsafe",
             "System.Runtime.CompilerServices.VisualC",
             "System.Runtime.Extensions",
             "System.Runtime.Handles",