Make download resumption a user flag on android
Make download resumption a user flag on android

This allows us to easily test the feature on android

BUG=7648

Review URL: https://codereview.chromium.org/1603153003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#370194}

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