Clean up comments

Author: DABH

core/src/main/java/com/google/adk/platform/UuidProvider.java

@@ -22,8 +22,7 @@
  * Supplies new unique identifiers for ADK-generated IDs (events, invocations, function calls).
  *
  * <p>The default {@link #SYSTEM} provider returns random UUIDs. Integrations that need customized
- * identifiers can install  * a deterministic provider on an invocation; see
- * {@code InvocationContext}.
+ * identifiers can install  * a custom provider on an invocation; see {@code InvocationContext}.
  */
 @FunctionalInterface
 public interface UuidProvider {