What does this PR do?

This PR adds lambda support for Data Streams Monitoring (DSM), sets a checkpoint after extracting context from trace propagation headers, DSM context gets packaged in with the trace prop headers. Queues supported by DSM include SQS, SNS, SNS->SQS, and Kinesis

Motivation

Consume calls of lambdas are set as triggers to queue and do not have any explicit calls the tracers can hook into to set a checkpoint

Testing Guidelines

Tried all configurations with sandbox AWS account. Wrote unit tests ensuring all cases were covered.

Additional Notes

Types of Changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
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• This PR passes the integration tests (ask a Datadog member to run the tests)