Adding missing attributes and metric for llamaindex instrumentation#274

shuningc wants to merge 1 commit intomainsignalfx/splunk-otel-python-contrib:mainfrom

HYBIM-620-LlamaindexMissingAttrssignalfx/splunk-otel-python-contrib:HYBIM-620-LlamaindexMissingAttrsCopy head branch name to clipboard