Update firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/java/LiveModelFutures.kt

Co-authored-by: Daymon <[email protected]>

Author: VinayGuthal

firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/java/LiveModelFutures.kt

@@ -34,7 +34,7 @@ public abstract class LiveModelFutures internal constructor() {
 
   /**
    * Start a [LiveSession] with the server for bidirectional streaming.
-   * @return LiveSession object created. Returns null if the object cannot be created.
+   * @return A [LiveSession] that you can use to stream messages to and from the server.
    * @throws [ServiceConnectionHandshakeFailedException] If the client was not able to establish a
    * connection with the server.
    */