[refactoring] Group all the CBOR util functions in cbor_util
This cl only moves all the CBOR utility functions in one place.
Some return error types are adjusted to adapt the change. There
should be no behavior change.
Bug: 310931749
Test: atest rialto_test
Change-Id: Ie3db9c93b1355d25d7d796818e19e554560e1f23
diff --git a/service_vm/comm/src/lib.rs b/service_vm/comm/src/lib.rs
index 343d48e..bb85a26 100644
--- a/service_vm/comm/src/lib.rs
+++ b/service_vm/comm/src/lib.rs
@@ -23,7 +23,7 @@
mod message;
mod vsock;
-pub use csr::{cbor_value_type, to_unexpected_item_error, value_to_bytes, Csr, CsrPayload};
+pub use csr::{Csr, CsrPayload};
pub use message::{
ClientVmAttestationParams, EcdsaP256KeyPair, GenerateCertificateRequestParams, Request,
RequestProcessingError, Response, ServiceVmRequest,