We cannot send PII data.

This CL tried to remove following data,
* build config that can contain build directory path
* build directory path
* hostname
* cwd

I use per build uuid instead of per user uuid.


Bug: 900161
Change-Id: Id533762749806ad8616b7dc07f21b27dfe632c9a
Reviewed-on: https://chromium-review.googlesource.com/c/1369473Reviewed-by: Shinya Kawanaka <shinyak@chromium.org>
Reviewed-by: Fumitoshi Ukai <ukai@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>

This function extracts build target from command line.

Bug: 900161
Change-Id: I38d37689a42437de76933ea3c9afb9def5a1253c
Reviewed-on: https://chromium-review.googlesource.com/c/1381911
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Shinya Kawanaka <shinyak@chromium.org>

Use unittest module instead of doctest.

Bug: 900161
Change-Id: I2e8265afb66345814c4c4b8e94618171b7aaaaf3
Reviewed-on: https://chromium-review.googlesource.com/c/1379441
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Shinya Kawanaka <shinyak@chromium.org>