Create an equivalent utility method for generating Soy constants files from java properties.
Create an equivalent utility method for generating Soy constants files from java properties.

Example migration CL using this utility: []

GITHUB_BREAKING_CHANGES=N/A

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=372574520

google/closure-templates,google/closure-templates,google/closure-templates,google/closure-templates,google/closure-templates