Linux: Automatically increase vm.max_map_count if it's too low (#4702)

* memory: Check results of pinvoke calls

* Increase vm.max_map_count when running Ryujinx

* Add SupportedOSPlatform attribute for WindowsApiException

* Revert increasing vm.max_map_count via script

* Add LinuxHelper to detect and increase vm.max_map_count

With GUI dialogs, this should be a bit more user-friendly.

* Supply arguments as a list to RunPkExec

* Add error logging in case RunPkExec() fails

* Prevent Gtk from crashing

src/Ryujinx.Memory/WindowsShared/WindowsApi.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 
 namespace Ryujinx.Memory.WindowsShared
 {
+    [SupportedOSPlatform("windows")]
     static partial class WindowsApi
     {
         public static readonly IntPtr InvalidHandleValue = new IntPtr(-1);

src/Ryujinx.Memory/WindowsShared/WindowsApiException.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Runtime.Versioning;
 
 namespace Ryujinx.Memory.WindowsShared
 {
+    [SupportedOSPlatform("windows")]
     class WindowsApiException : Exception
     {
         public WindowsApiException()