Diced: Switch to fixed length array AIDL types.

Test: diced_test diced_client_test diced_vendor_test for regression.
Change-Id: I50a3b1661c403c140fa5e2aa3ee5b16553d87fb9
diff --git a/diced/src/sample_inputs.rs b/diced/src/sample_inputs.rs
index f76ebc9..93897a6 100644
--- a/diced/src/sample_inputs.rs
+++ b/diced/src/sample_inputs.rs
@@ -134,7 +134,7 @@
     hidden: &[u8; dice::HIDDEN_SIZE],
 ) -> Result<BinderInputValues> {
     Ok(BinderInputValues {
-        codeHash: code_hash.to_vec(),
+        codeHash: *code_hash,
         config: BinderConfig {
             desc: dice::bcc::format_config_descriptor(
                 Some(config_name),
@@ -143,9 +143,9 @@
             )
             .context("In make_input_values: Failed to format config descriptor.")?,
         },
-        authorityHash: authority_hash.to_vec(),
+        authorityHash: *authority_hash,
         authorityDescriptor: None,
-        hidden: hidden.to_vec(),
+        hidden: *hidden,
         mode,
     })
 }