Reason for revert:
Breaks https://build.chromium.org/p/client.v8.ports/builders/V8%20Arm%20-%20debug%20builder/builds/3144

Original issue's description:
> Update V8 DEPS.
>
> Rolling v8/base/trace_event/common to 199985e01e17b5a4888f83648b7cc119779e9245
>
> Rolling v8/build to 4803815de7294778a1496c4e7f3e84ee48e243ef
>
> Rolling v8/buildtools to 57649e5e2001ba1f5e5d45f5a838c616ea0e9cb9
>
> Rolling v8/tools/clang to cca919b21f2436ba1585f7e9de2702ba64fbd8bf
>
> TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org
>
> Committed: https://crrev.com/0ed1254d8103b40d5880601bf73b6c56e4d5716d
> Cr-Commit-Position: refs/heads/master@{#39570}

TBR=hablich@chromium.org,vogelheim@chromium.org,v8-autoroll@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2351943005
Cr-Commit-Position: refs/heads/master@{#39578}