Revert^4 "[rkp] Expose RKP Hal implementation in virtualizationservice"

Revert submission 2829351-revert-2812456-revert-2812435-revert-2778549-expose-avf-rkp-hal-GTFGLMUUKQ-PAWNEHUQBT-WYENGHRTXK

Reason for revert: Relands the original topic:
https://r.android.com/q/topic:%22expose-avf-rkp-hal%22
PS2 is the same as the original cl: aosp/2778549

Reverted changes: /q/submissionid:2829351-revert-2812456-revert-2812435-revert-2778549-expose-avf-rkp-hal-GTFGLMUUKQ-PAWNEHUQBT-WYENGHRTXK

Test: atest MicrodroidHostTests librkp_support_test
Change-Id: I1069c4f884990f5bed804cc783dee2d45b741a33
diff --git a/service_vm/requests/src/rkp.rs b/service_vm/requests/src/rkp.rs
index 2c01451..9901a92 100644
--- a/service_vm/requests/src/rkp.rs
+++ b/service_vm/requests/src/rkp.rs
@@ -76,10 +76,13 @@
         public_keys.push(public_key.to_cbor_value()?);
     }
     // Builds `CsrPayload`.
+    // TODO(b/299256925): The device information is currently empty as we do not
+    // have sufficient details to include.
+    let device_info = Value::Map(Vec::new());
     let csr_payload = cbor!([
         Value::Integer(CSR_PAYLOAD_SCHEMA_V3.into()),
         Value::Text(String::from(CERTIFICATE_TYPE)),
-        // TODO(b/299256925): Add device info in CBOR format here.
+        device_info,
         Value::Array(public_keys),
     ])?;
     let csr_payload = cbor_util::serialize(&csr_payload)?;