GitLab

This reverts commit 5210afae.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 773937 as the
culprit for failures in the build cycles as shown on:
https://analysis.chromium.org/waterfall/culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyRAsSDVdmU3VzcGVjdGVkQ0wiMWNocm9taXVtLzUyMTBhZmFlZDIxOWUyMTliOGQ1YjA3NGI3MmEyYTFhNDEzMTg3YjcM

Sample Failed Build: https://ci.chromium.org/b/8878645669363890464

Sample Failed Step: compile

Original change's description:
> Migrate md5sum tool to portable zlib utils
> 
> Use the set of portable code from zlib that shouldn't have
> extra dependencies (e.g. 'base').
> 
> Also allow building the tool for other targets (e.g. Linux,
> OSX, etc) as that allows easier testing and profiling.
> 
> Bug: 1076580, 1087999
> Change-Id: I3130ba77681ae66dc34c3539c2ed10476e754d86
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2211008
> Commit-Queue: Adenilson Cavalcanti <cavalcantii@chromium.org>
> Reviewed-by: Adenilson Cavalcanti <cavalcantii@chromium.org>
> Reviewed-by: Andrew Grieve <agrieve@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#773937}


Change-Id: I936d0382bc96b798b11157fddf43322d4b6df116
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1076580, 1087999
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2226078
Cr-Commit-Position: refs/heads/master@{#773953}