[permissions] Make the ApproximateGeolocationPermissionAPI experimental

Bug: 494089503
Change-Id: Ibc45f7e4b37e0788c8fa30d21b386fad99f14e5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7705836
Commit-Queue: Antonio Sartori <antoniosartori@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1616447}

Author: antosart

permissions/idlharness.any.js

@@ -10,7 +10,7 @@ idl_test(
   ['html', 'dom'],
   async idl_array => {
     try {
-      self.permissionStatus = await navigator.permissions.query({ name: "geolocation" });
+      self.permissionStatus = await navigator.permissions.query({ name: "notifications" });
     } catch (e) {}
 
     if (self.GLOBAL.isWorker()) {