[7.x](backport #26832) Add Proxy settings to AWS Common

[mergify]

This is an automatic backport of pull request #26832 done by Mergify.

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[botelastic]

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[elasticmachine]

💚 Build Succeeded

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• Start Time: 2021-07-27T22:54:59.385+0000

• Duration: 136 min 22 sec

• Commit: 4c40eae

Test stats 🧪

Test	Results
Failed	0
Passed	48807
Skipped	5218
Total	54025

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💚 Flaky test report

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Test stats 🧪

Test	Results
Failed	0
Passed	48807
Skipped	5218
Total	54025

[kaiyan-sheng]

flaky test: #27085 and #27084

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b mergify/bp/7.x/pr-26832 upstream/mergify/bp/7.x/pr-26832
git merge upstream/7.x
git push upstream mergify/bp/7.x/pr-26832