This is a reland of 712b66da

Breakage is fixed on infra side by:
https://crrev.com/c/983417

Original change's description:
> [build] Remove legacy isolate configurations
>
> Bug: chromium:669910
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: Iad58563fd4bb35501493f88af83362b1206a186c
> Reviewed-on: https://chromium-review.googlesource.com/982630
> Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#52267}

Bug: chromium:669910
Change-Id: I6c06a1fe9587206aa4e983befb105327bfec4154
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/983573Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52273}

This reverts commit 712b66da.

Reason for revert:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20builder/builds/32049

Original change's description:
> [build] Remove legacy isolate configurations
> 
> Bug: chromium:669910
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: Iad58563fd4bb35501493f88af83362b1206a186c
> Reviewed-on: https://chromium-review.googlesource.com/982630
> Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#52267}

TBR=machenbach@chromium.org,yangguo@chromium.org,sergiyb@chromium.org,jgruber@chromium.org

Change-Id: I1955325b0b419b38d793ab205131de8de08cb50a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:669910
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/983418Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52268}

Bug: chromium:669910
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Iad58563fd4bb35501493f88af83362b1206a186c
Reviewed-on: https://chromium-review.googlesource.com/982630Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52267}

Bug: chromium:669910
Change-Id: I35d146bbe265dfdd0059dd8d3ec4fc5ee54bb465
Reviewed-on: https://chromium-review.googlesource.com/979805
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52219}

Bug: chromium:669910
Change-Id: I03f6ef3121af047ea2c4e6b83ed67634f046ce71
Reviewed-on: https://chromium-review.googlesource.com/979796
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52212}

This adds the benchmarks suite to the deopt fuzzer and removes the
obsolete deopt configs, which since a while are part of the num-fuzz
configs.

TBR=sergiyb@chromium.org

Bug: v8:6900
Change-Id: I9202e2a66a132eca5940b4444fda97816b034e54
Reviewed-on: https://chromium-review.googlesource.com/876085
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50720}

Bug: v8:6917
Change-Id: I0ee15a41b6028bdbf8448f066b0bc47a049ca587
Reviewed-on: https://chromium-review.googlesource.com/868154Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michał Majewski <majeski@google.com>
Cr-Commit-Position: refs/heads/master@{#50647}

We'll use one generic isolate for all number fuzzers. The previous
deopt isolate will be deleted, once the infra hooks have changed.

Bug: v8:6917
Change-Id: I809613548cd935a0208febb002572cc063697324
Reviewed-on: https://chromium-review.googlesource.com/763534Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49297}

Bug: v8:6566
Change-Id: If48fea99f2b1c8069dd20075bf4d9a6c6282bb7c
Reviewed-on: https://chromium-review.googlesource.com/708757Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48439}

This switches a few underscores to dashes to match the infra-
side definitions.

BUG=chromium:474921
TBR=vogelheim@chromium.org, jochen@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2045543002
Cr-Commit-Position: refs/heads/master@{#36753}

This adds corresponding *_run targets for all swarming
isolate actions existing in gyp. This also wires all
targets together under gn_all.

BUG=chromium:474921
NOTRY=true

Review-Url: https://codereview.chromium.org/2033813004
Cr-Commit-Position: refs/heads/master@{#36714}