Bp2build-convert droiddoc_exported_dir

Bug: 283299388
Test: `m bp2build` and manual inspection
Change-Id: Ieec2094e446bb030f30103a7e1a06e35cbdcc72e
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index b675e5e..161a7ff 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -62,6 +62,7 @@
         "cc_test_conversion_test.go",
         "cc_yasm_conversion_test.go",
         "conversion_test.go",
+        "droiddoc_exported_dir_conversion_test.go",
         "filegroup_conversion_test.go",
         "genrule_conversion_test.go",
         "gensrcs_conversion_test.go",