Integrate Android biometrics with the shared Rust lease (#98)

crates/storage/src/authentication.rs

@@ -310,14 +310,18 @@ impl<B: SecretStoreBackend, C: AuthenticationClock> AuthenticationSession<B, C>
 
     /// Revoke every outstanding handle immediately.
     pub fn manual_lock(&self) -> Result<(), AuthenticationError> {
+        let interrupted = self.shared.store.cancel_pending();
         let _operation = self.shared.operation()?;
-        self.shared.revoke(RevocationReason::Manual)
+        self.shared.revoke(RevocationReason::Manual)?;
+        interrupted.map_err(Into::into)
     }
 
     /// Cancel authentication and revoke any lease created by the pending interaction.
     pub fn cancel(&self) -> Result<(), AuthenticationError> {
+        let interrupted = self.shared.store.cancel_pending();
         let _operation = self.shared.operation()?;
-        self.shared.revoke(RevocationReason::Cancelled)
+        self.shared.revoke(RevocationReason::Cancelled)?;
+        interrupted.map_err(Into::into)
     }
 
     /// Apply a new shared inactivity timeout to this process and any active lease.