[keystore2] Fix binder import path

Import from the binder crate root instead of binder::public_api for
compatibility with the new crate structure.

Test: m
Bug: 196056781
Change-Id: Ia9695e5493bda965ca9a42989ec5a284407595ce
diff --git a/diced/src/error_vendor.rs b/diced/src/error_vendor.rs
index 10d50dd..e8657e0 100644
--- a/diced/src/error_vendor.rs
+++ b/diced/src/error_vendor.rs
@@ -14,9 +14,7 @@
 
 use android_hardware_security_dice::aidl::android::hardware::security::dice::ResponseCode::ResponseCode;
 use anyhow::Result;
-use binder::public_api::{
-    ExceptionCode, Result as BinderResult, Status as BinderStatus, StatusCode,
-};
+use binder::{ExceptionCode, Result as BinderResult, Status as BinderStatus, StatusCode};
 use std::ffi::CString;
 
 /// This is the error type for DICE HAL implementations. It wraps