Define additional symlinks and dirs for recovery partition

To match that of the make generated recovery partition.

Test: mount Soong generated recovery partition and compare with TARGET_RECOVERY_ROOT_OUT
Bug: 381888358
Change-Id: I39822027088895525ef473ad9797f410d45ec7cd
diff --git a/fsgen/Android.bp b/fsgen/Android.bp
index 365d954..1b828c5 100644
--- a/fsgen/Android.bp
+++ b/fsgen/Android.bp
@@ -14,6 +14,7 @@
     ],
     srcs: [
         "boot_imgs.go",
+        "config.go",
         "filesystem_creator.go",
         "fsgen_mutators.go",
         "prebuilt_etc_modules_gen.go",