dataconnect: fix gradle plugin to gracefully handle schemaExtensionsOutputEnabled not being explicitly specified#6327

dconeybe merged 1 commit intomainfirebase/firebase-android-sdk:mainfrom

dconeybe/dataconnect/SchemaExtensionsOutputEnabledOptionalfirebase/firebase-android-sdk:dconeybe/dataconnect/SchemaExtensionsOutputEnabledOptionalCopy head branch name to clipboard