Keystore 2.0: Add more watch points.

This patch adds watch points on all calls into keymint, on get_aaid, and
calls to the permission controller.

Test: N/A
Change-Id: If5b85fd1ad5c33e08ba9fd25f5cb0c76be747d3e
diff --git a/keystore2/src/error.rs b/keystore2/src/error.rs
index d1b2ffb..f969cb6 100644
--- a/keystore2/src/error.rs
+++ b/keystore2/src/error.rs
@@ -30,16 +30,13 @@
 //! Keystore functions should use `anyhow::Result` to return error conditions, and
 //! context should be added every time an error is forwarded.
 
-use std::cmp::PartialEq;
-
 pub use android_hardware_security_keymint::aidl::android::hardware::security::keymint::ErrorCode::ErrorCode;
 pub use android_system_keystore2::aidl::android::system::keystore2::ResponseCode::ResponseCode;
-
-use keystore2_selinux as selinux;
-
 use android_system_keystore2::binder::{
     ExceptionCode, Result as BinderResult, Status as BinderStatus, StatusCode,
 };
+use keystore2_selinux as selinux;
+use std::cmp::PartialEq;
 
 /// This is the main Keystore error type. It wraps the Keystore `ResponseCode` generated
 /// from AIDL in the `Rc` variant and Keymint `ErrorCode` in the Km variant.