Merge "Implement ToOwned for references to AIDL interfaces" am: 4bd0720968 am: 006d319b11 am: 58154ad99e

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1395668

Change-Id: I8402ea36102333573820fc5795c4a0fc84a42f93
diff --git a/libs/binder/rust/src/binder.rs b/libs/binder/rust/src/binder.rs
index ceb6ade..81a5f02 100644
--- a/libs/binder/rust/src/binder.rs
+++ b/libs/binder/rust/src/binder.rs
@@ -590,6 +590,15 @@
                 f.pad(stringify!($interface))
             }
         }
+
+        // Convert a &dyn $interface to Box<dyn $interface>
+        impl std::borrow::ToOwned for dyn $interface {
+            type Owned = Box<dyn $interface>;
+            fn to_owned(&self) -> Self::Owned {
+                self.as_binder().into_interface()
+                    .expect(concat!("Error cloning interface ", stringify!($interface)))
+            }
+        }
     };
 }