Bug 1687783 - Part 2: Expose MOZ_MACBUNDLE_ID in AppConstants.jsm. r=firefox-build-system-reviewers,mhentges

The bundle ID will be used to namespace OS-level tasks registered with
launchd on macOS.

Differential Revision: https://phabricator.services.mozilla.com/D102787

toolkit/modules/AppConstants.jsm

@@ -337,6 +337,7 @@ this.AppConstants = Object.freeze({
   MOZ_APP_VERSION_DISPLAY: "@MOZ_APP_VERSION_DISPLAY@",
   MOZ_BUILDID: "@MOZ_BUILDID@",
   MOZ_BUILD_APP: "@MOZ_BUILD_APP@",
+  MOZ_MACBUNDLE_ID: "@MOZ_MACBUNDLE_ID@",
   MOZ_MACBUNDLE_NAME: "@MOZ_MACBUNDLE_NAME@",
   MOZ_UPDATE_CHANNEL: "@MOZ_UPDATE_CHANNEL@",
   MOZ_WIDGET_TOOLKIT: "@MOZ_WIDGET_TOOLKIT@",

toolkit/modules/moz.build

@@ -284,6 +284,7 @@ for var in (
     "MOZ_BING_API_KEY",
     "MOZ_GOOGLE_LOCATION_SERVICE_API_KEY",
     "MOZ_GOOGLE_SAFEBROWSING_API_KEY",
+    "MOZ_MACBUNDLE_ID",
     "MOZ_MACBUNDLE_NAME",
     "MOZ_MOZILLA_API_KEY",
     "MOZ_WIDGET_TOOLKIT",