binder: rules.mk: Use FIND_CRATE to locate dependencies

Due to recent changes in crate locations, we need to use the FIND_CRATE
macro to locate module paths for crates that might have moved to the
monorepo.

Bug: 367477170
Test: build.py generic-x86_64-test --skip-tests
Change-Id: I671671725d7b6d64f7ba6796098131e267c1b164