Revert^2 "[binder_common] Update binder import path"

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

Relanding change: Ia37ec9d1ec9afea8ff61fecb06d13bfb8a4f65cf

Test: m
Bug: 196056781

Change-Id: I35e1d9268929f35d3ce494c2833f39f708170b96
diff --git a/compos/common/binder.rs b/compos/common/binder.rs
index 6bd3957..ae857e0 100644
--- a/compos/common/binder.rs
+++ b/compos/common/binder.rs
@@ -17,7 +17,7 @@
 //! Helper for converting Error types to what Binder expects
 
 use anyhow::Result;
-use binder::public_api::{ExceptionCode, Result as BinderResult};
+use binder::{ExceptionCode, Result as BinderResult};
 use binder_common::new_binder_exception;
 use log::warn;
 use std::fmt::Debug;