pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/locales/l10n.ini

@@ -0,0 +1,19 @@
+; This Source Code Form is subject to the terms of the Mozilla Public
+; 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/.
+
+# Control which directories and modules are part of mobile
+# on the l10n dashboard.
+# Changes here should be triggered by changes in
+# mobile/android/locales/l10n.ini.
+
+[general]
+depth = ../..
+all = mobile/android/locales/all-locales
+
+[compare]
+dirs = mobile mobile/android mobile/android/base
+
+[includes]
+toolkit = toolkit/locales/l10n.ini
+services_sync = services/sync/locales/l10n.ini