Dist the otatools package.

Bug: 23495952
Change-Id: I1f61946580dd8ea29c3d5e1f4e859cc6d1f8554a
diff --git a/core/main.mk b/core/main.mk
index 3c5a554..f9bd3f8 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -958,6 +958,7 @@
   $(call dist-for-goals, droidcore, \
     $(INTERNAL_UPDATE_PACKAGE_TARGET) \
     $(INTERNAL_OTA_PACKAGE_TARGET) \
+    $(BUILT_OTATOOLS_PACKAGE) \
     $(SYMBOLS_ZIP) \
     $(INSTALLED_FILES_FILE) \
     $(INSTALLED_BUILD_PROP_TARGET) \