This reverts commit bd3c0e67.

Reason for revert: Broke angle_perftests

Original change's description:
> Android: Update version of retrace.jar to 6.0.3
> 
> The existing version was found to infinite loop at times.
> Also moves the jars to CIPD
> 
> NOTRY=true # windows bot failing
> 
> Bug: 876539
> Change-Id: If822837f4958434372ef0cb40799aec32ec7cd37
> Reviewed-on: https://chromium-review.googlesource.com/1187003
> Commit-Queue: agrieve <agrieve@chromium.org>
> Reviewed-by: John Budorick <jbudorick@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#585887}

TBR=agrieve@chromium.org,jbudorick@chromium.org

Change-Id: Icd2cf44c9e48390f6b13641d6fac97fd0f75df5d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 876539, 877619
Reviewed-on: https://chromium-review.googlesource.com/1188866Reviewed-by: agrieve <agrieve@chromium.org>
Commit-Queue: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585955}