Draw debug output within the TV-safe area.

Details here:
https://docs.microsoft.com/en-us/windows/uwp/design/devices/designing-for-tv#tv-safe-area

GitOrigin-RevId: 6bd4e9805a

Shared/Debug.cs

@@ -100,9 +100,13 @@ namespace SemiColinGames {
       if (!Enabled) {
         return;
       }
-      int y = 10;
+      // UI should start at least 48px from the left edge of the screen, and 27 from the top, as per:
+      // https://docs.microsoft.com/en-us/windows/uwp/design/devices/designing-for-tv#tv-safe-area
+      // Can test this on actual Xbox via:
+      // Settings > Launch Settings > Display & Sound > Resolution > 720p.
+      int y = 27;
       foreach (var toast in toasts) {
-        spriteBatch.DrawString(Textures.DebugFont, toast, new Vector2(10, y), Color.Teal);
+        spriteBatch.DrawString(Textures.DebugFont, toast, new Vector2(48, y), Color.Teal);
         y += 30;
       }
     }