Annotate System.Diagnostics.Process.MaxWorkingSet/MinWorkingSet props as unsupported on iOS/tvOS (#52395)

Author: MaximLipnin

src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs

@@ -43,8 +43,8 @@ public Process() { }
         public System.Diagnostics.ProcessModule? MainModule { get { throw null; } }
         public System.IntPtr MainWindowHandle { get { throw null; } }
         public string MainWindowTitle { get { throw null; } }
-        public System.IntPtr MaxWorkingSet { get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] [System.Runtime.Versioning.SupportedOSPlatformAttribute("macos")] [System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd")] set { } }
-        public System.IntPtr MinWorkingSet { get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] [System.Runtime.Versioning.SupportedOSPlatformAttribute("macos")] [System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd")] set { } }
+        public System.IntPtr MaxWorkingSet { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd"), System.Runtime.Versioning.SupportedOSPlatformAttribute("macos"), System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
+        public System.IntPtr MinWorkingSet { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd"), System.Runtime.Versioning.SupportedOSPlatformAttribute("macos"), System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
         public System.Diagnostics.ProcessModuleCollection Modules { get { throw null; } }
         [System.ObsoleteAttribute("This property has been deprecated because the type of the property can't represent all valid results. Please use System.Diagnostics.Process.NonpagedSystemMemorySize64 instead.  https://go.microsoft.com/fwlink/?linkid=14202")]
         public int NonpagedSystemMemorySize { get { throw null; } }

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.cs

@@ -260,6 +260,8 @@ public string MachineName
         /// <remarks>On macOS and FreeBSD, setting the value works only for the current process.</remarks>
         public IntPtr MaxWorkingSet
         {
+            [UnsupportedOSPlatform("ios")]
+            [UnsupportedOSPlatform("tvos")]
             get
             {
                 EnsureWorkingSetLimits();
@@ -280,6 +282,8 @@ public IntPtr MaxWorkingSet
         /// <remarks>On macOS and FreeBSD, setting the value works only for the current process.</remarks>
         public IntPtr MinWorkingSet
         {
+            [UnsupportedOSPlatform("ios")]
+            [UnsupportedOSPlatform("tvos")]
             get
             {
                 EnsureWorkingSetLimits();