fix: avoid setting Part.partMetadata when metadata is empty - #1439

fix: avoid setting Part.partMetadata when metadata is empty#1439

copybara-service[bot] merged 1 commit into

google:maingoogle/adk-java:mainfrom

hemasekhar-p:issue1421-fixhemasekhar-p/local-adk-java:issue1421-fixCopy head branch name to clipboard