Improve Lambda Layer cold start time #2 #171
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Description of changes:
This PR is a rehash of #163 with some minor changes reverted after several autoinstrumentation package dependencies were upgraded in #168. The changes suggested by the unaddressed comments in the previous PR are addressed here.
The primary change made to reduce the cold start time was to bundle the ADOT autoinstrumentation package with webpack instead of using the TS compiler. Using the same build targets as the upstream (see this PR), the cold start performance of the layer was improved by about 50%, from ~765ms to ~385ms.
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