Hyperlink DOI to preferred resolver
Hyperlink DOI to preferred resolver

See https://www.doi.org/doi_handbook/3_Resolution.html#3.8

Closes https://github.com/google/closure-library/pull/959.

RELNOTES: N/A

ORIGINAL_AUTHOR=Katrin Leinweber <9948149+katrinleinweber@users.noreply.github.com>

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google/closure-library,google/closure-library,google/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,google/closure-library,lucidsoftware/closure-library