Revert of [debug] do not report unnecessary coverage data. (patchset #4 id:60001 of https://codereview.chromium.org/2764073004/ )

Reason for revert:
breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/14438

Original issue's description:
> [debug] do not report unnecessary coverage data.
>
> Only include function ranges for with non-0 counts or if the immediate outer function has non-0 count.
>
> R=caseq@chromium.org, jgruber@chromium.org
> BUG=v8:5808
>
> Review-Url: https://codereview.chromium.org/2764073004
> Cr-Commit-Position: refs/heads/master@{#44079}
> Committed: https://chromium.googlesource.com/v8/v8/+/a7577ede0b74967727895eba5e06dbe1d01fb56d

TBR=caseq@chromium.org,jgruber@chromium.org,yangguo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5808

Review-Url: https://codereview.chromium.org/2769063004
Cr-Commit-Position: refs/heads/master@{#44080}