Add platform/external/messageformat

default.xml

@@ -176,6 +176,7 @@
   <project path="external/markdown" name="platform/external/markdown" />
   <project path="external/mdnsresponder" name="platform/external/mdnsresponder" groups="pdk" />
   <project path="external/mesa3d" name="platform/external/mesa3d" />
+  <project path="external/messageformat" name="platform/external/messageformat" />
   <project path="external/mksh" name="platform/external/mksh" groups="pdk" />
   <project path="external/mockito" name="platform/external/mockito" />
   <project path="external/mockwebserver" name="platform/external/mockwebserver" />