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This CL adds a post upload hook to add extra try bots list to the CL description in order to run
Telemetry benchmarks on Perf trybots in addtion to CQ trybots if the CL
contains any changes to Telemetry benchmarks.

BUG=462581

Review URL: https://codereview.chromium.org/1060763002

Cr-Commit-Position: refs/heads/master@{#327150}