Remove handlers crate target.

- Add build scripts for Rust flatbuffers.
- Rewrites some reply.cc methods in Rust.
- Changes some struct elements to table in msg.fbs (rust flatbuffers
  lacks support currently)
- Renames handlers_test to test_rs.
- This reorg is needed to make progress on the code cache handler.

1 files changed, 1 insertions, 0 deletions

diff --git a/build_extra/rust/rust.gni b/build_extra/rust/rust.gni
index 2fc822837..f783126ed 100644
--- a/build_extra/rust/rust.gni
+++ b/build_extra/rust/rust.gni
@@ -163,6 +163,7 @@ template("rust_component") {
                              "is_test",
                              "testonly",
                              "args",
+                             "deps",
                            ])
     if (!defined(invoker.crate_type)) {
       crate_type = "rlib"