Break labels apart in preloaded list.
Break labels apart in preloaded list.

Since the hosts are stored in DNS wire format (with length-prefixed labels),
any labels that start with a digit cause an escape like "\0071..." (that's
length=7, first byte of the label = "1"). But this causes a warning in Visual
Studio and breaks the build.

This change splits the length bytes from the labels so that this warning
doesn't happen.

BUG=none
R=palmer@chromium.org

Review URL: https://codereview.chromium.org/456853002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#288443}
git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@288443 0039d316-1c4b-4281-b951-d872f2087c98

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omium-crosswalk,jaruba/chromium.src,dednal/chromium.src,fujunwei/chromium-crosswalk,dednal/chromium.src,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk-efl,ltilve/chromium,ltilve/chromium,dednal/chromium.src,hgl888/chromium-crosswalk,dushu1203/chromium.src,chuan9/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,Fireblend/chromium-crosswalk,dednal/chromium.src,ltilve/chromium,krieger-od/nwjs_chromium.src