[sdk/service/cloudwatchlogs] Use custom CloudWatch Logs SDK for awsemfexporter/awscloudwatchlogs

[zhihonl]

Description:

Link to tracking Issue:

Testing:

Manual Test

awscloudwatchexporter with raw EMF logs

Use command

CURRENT_TIME=$(date +%s%N | cut -b1-13)
echo '{"_aws":{"Timestamp":'"${CURRENT_TIME}"',"LogGroupName":"EMFOtelBump","CloudWatchMetrics":[{"Namespace":"EMFOtelBump","Dimensions":[["Type","InstanceId"]],"Metrics":[{"Name":"EMFCounter","Unit":"Count"}]}]},"Type":"Counter","EMFCounter":5}' \ > /dev/udp/0.0.0.0/25888

Observed EMF logs in CloudWatch Logs

Observed metrics from EMF log

awsemfexporter with container insights

Observed EMF logs in container insights log group

Observed metrics in CloudWatch

Documentation:

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This PR was marked stale due to lack of activity. It will be closed in 14 days.

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Closed as inactive. Feel free to reopen if this PR is still being worked on.