[Merge] ~liushuyu-011/ubuntu/+source/icu:ubuntu/devel into ubuntu/+source/icu:debian/sid

[Julian Andres Klode]

Sponsored, this should go to merged after it's been imported.
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https://code.launchpad.net/~liushuyu-011/ubuntu/+source/icu/+git/icu/+merge/457194
Your team Ubuntu Sponsors is requested to review the proposed merge of ~liushuyu-011/ubuntu/+source/icu:ubuntu/devel into ubuntu/+source/icu:debian/sid.