GitLab

- Android expects these to be set and rejects payloads otherwise
- Fixes access of |share_target| after a std::move()
- Fixes transfer metadata process interpretation (0-1 vs 0-100)
- Fixes FourDigitString hash from auth token

Bug: None
Change-Id: I88a2570d3c5b0ee772f28944914a5ae955151511
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2371624Reviewed-by: Himanshu Jaju <himanshujaju@chromium.org>
Commit-Queue: Richard Knoll <knollr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800961}