More changes

src/Android/Avalonia.Android/Platform/SkiaPlatform/TopLevelImpl.cs

@@ -4,6 +4,7 @@ using Android.App;
 using Android.Content;
 using Android.Graphics;
 using Android.Graphics.Drawables;
+using Android.OS;
 using Android.Runtime;
 using Android.Views;
 using AndroidX.AppCompat.App;
@@ -387,7 +388,7 @@ namespace Avalonia.Android.Platform.SkiaPlatform
         {
             if(Input != null)
             {
-                var args = new RawTextInputEventArgs(AndroidKeyboardDevice.Instance!, (ulong)Environment.TickCount64, InputRoot!, text);
+                var args = new RawTextInputEventArgs(AndroidKeyboardDevice.Instance!, (ulong)SystemClock.UptimeMillis(), InputRoot!, text);
 
                 Input(args);
             }

tests/Avalonia.Benchmarks/Rendering/AndroidRenderingBenchmarks.cs

@@ -97,7 +97,7 @@ namespace Avalonia.Benchmarks.Rendering
             return signaled;
         }
 
-        // TextInput timestamp: DateTime.Now vs TickCount64 (TopLevelImpl.cs)
+        // TextInput timestamp: DateTime.Now vs monotonic clock (TopLevelImpl.cs)
 
         [Benchmark]
         public ulong Current_TextInput_DateTimeNowTicks()
@@ -111,12 +111,12 @@ namespace Avalonia.Benchmarks.Rendering
         }
 
         [Benchmark]
-        public long Optimized_TextInput_EnvironmentTickCount64()
+        public long Optimized_TextInput_StopwatchTimestamp()
         {
             long result = 0;
             for (int i = 0; i < FrameCount; i++)
             {
-                result = Environment.TickCount64;
+                result = System.Diagnostics.Stopwatch.GetTimestamp();
             }
             return result;
         }