crowdin: Add support for Belarusian

Change-Id: Idff9976aae7e61fbb2e8e2d3418325a1912b9039
diff --git a/crowdin/crowdin_aosp.yaml b/crowdin/crowdin_aosp.yaml
index 6601b1e..45a6520 100644
--- a/crowdin/crowdin_aosp.yaml
+++ b/crowdin/crowdin_aosp.yaml
@@ -30,6 +30,7 @@
     languages_mapping: &anchor
       android_code:
         ast: es-rXA
+        be: be
         bn: bn
         eu: eu
         is: is