chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2021-03-17 20:15:44,895 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-iot/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-03-17 20:15:45,771 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/0e260296-368e-4c15-8525-dc239e18da67/targets

• To automatically regenerate this PR, check this box.

[codecov]

Codecov Report

Merging #407 (e3843d6) into master (10c2be3) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #407   +/-   ##
=========================================
  Coverage     72.98%   72.98%           
  Complexity      138      138           
=========================================
  Files             6        6           
  Lines           633      633           
  Branches          2        2           
=========================================
  Hits            462      462           
  Misses          150      150           
  Partials         21       21           

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[yoshi-approver]

Rubber stamped PR!