Bug 1841498 - Convert BrowserUsageTelemetry.jsm to ESM. r=geckoview-reviewers,calu

Bug 1834831 forgot converting mobile version since
`Document::AutomaticStorageAccessPermissionCanBeGranted` uses this module.

Differential Revision: https://phabricator.services.mozilla.com/D182661

mobile/android/modules/geckoview/BrowserUsageTelemetry.sys.mjs

@@ -3,12 +3,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-"use strict";
-
-var EXPORTED_SYMBOLS = ["getUniqueDomainsVisitedInPast24Hours"];
-
 // Used by nsIBrowserUsage
-function getUniqueDomainsVisitedInPast24Hours() {
+export function getUniqueDomainsVisitedInPast24Hours() {
   // The prompting heuristic for the storage access API looks at 1% of the
   // number of the domains visited in the past 24 hours, with a minimum cap of
   // 5 domains, in order to prevent prompts from showing up before a tracker is

mobile/android/modules/geckoview/moz.build

@@ -6,7 +6,7 @@
 
 EXTRA_JS_MODULES += [
     "AndroidLog.jsm",
-    "BrowserUsageTelemetry.jsm",
+    "BrowserUsageTelemetry.sys.mjs",
     "ChildCrashHandler.sys.mjs",
     "DelayedInit.jsm",
     "GeckoViewActorChild.sys.mjs",