Add fsck.erofs to INTERNAL_OTATOOLS_MODULES

The latest build_image.py requires fsck.erofs to execute. Adds
fsck.erofs to INTERNAL_OTATOOLS_MODULES so it can be packed into
otatools.zip.

Bug: 225756733
Signed-off-by: Woody Lin <woodylin@google.com>
Change-Id: Ib88dbb6cce5e9424d1e80173da34b503d32d0fd3
diff --git a/core/Makefile b/core/Makefile
index 02de5d5..8767222 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4783,6 +4783,7 @@
   e2fsdroid \
   fc_sort \
   fec \
+  fsck.erofs \
   fsck.f2fs \
   fs_config \
   generate_gki_certificate \