LastClipboardValue using static store rather than state

src/Android/Utilities/StaticStore.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+
+namespace Bit.Droid.Utilities
+{
+    public static class StaticStore
+    {
+        public static string LastClipboardValue { get; set; }
+    }
+}