Ozone: Adjust determination of platforms for ozone_auto_platforms=true

ui/ozone/ozone.gni

Index: ui/ozone/ozone.gni
diff --git a/ui/ozone/ozone.gni b/ui/ozone/ozone.gni
index f6493c2d81f1d07c1d2f7fcb26037db0f05776ff..681932039e217dde2d661ecbf755fdfa1cdd3dc9 100644
--- a/ui/ozone/ozone.gni
+++ b/ui/ozone/ozone.gni
@@ -50,9 +50,8 @@ declare_args() {
       ozone_platform_gbm = true
       ozone_platform_x11 = true
       ozone_platform_wayland = true
-    } else {
-      # Build all platforms whose deps are in install-build-deps.sh.
-      # Only these platforms will be compile tested by buildbots.
+    } else if (is_desktop_linux) {
+      ozone_platform_wayland = true
       ozone_platform_x11 = true
     }
   }