fixup! TB3: Tor Browser's official .mozconfigs.

Bug 42035: update mozconfig for macos development

mozconfig-macos-dev

-. $topsrcdir/browser/config/mozconfigs/base-browser
+. $topsrcdir/browser/config/mozconfigs/tor-browser
 
 # This mozconfig file is not used in official builds.
 # It is only intended to be used when doing incremental macOS builds
 # during development.
 
-export MOZILLA_OFFICIAL=
-
 ac_add_options --disable-strip
 ac_add_options --disable-install-strip
 
-ac_add_options --with-base-browser-version=dev-build
-
-ac_add_options --disable-base-browser-update
 # See bug #13379
 ac_add_options --enable-nss-mar
+
 # See bug #41131
 ac_add_options --disable-update-agent
 
+ac_add_options --with-relative-data-dir=../TorBrowser-Data/Browser
+
+#copied from the diff between mozconfig-linux-x86_64 and mozconfig-linux-x86_64-dev
+export MOZILLA_OFFICIAL=
+export MOZ_APP_REMOTINGNAME="Tor Browser Dev"
+
+ac_add_options --with-branding=browser/branding/tb-nightly
+ac_add_options --with-base-browser-version=dev-build
+ac_add_options --disable-base-browser-update