Revert of Enable distance field text on Android. (patchset #1 id:1 of https://coderev...

Revert of Enable distance field text on Android. (patchset #1 id:1 of https://codereview.chromium.org/884793003/)

Reason for revert:
Apparently causing significant perf regressions in thread_times.key_silk_cases.

Original issue's description:
> Enable distance field text on Android.
>
> Sets the Android default for Ganesh-rendered text to use signed distance fields.
> The non-Android default still disables distance fields.
>
> BUG=446722
> OWNERS=jam@chromium.org
>
> Committed: https://crrev.com/58c4e746a47894de46dbfaa978f163d2072df7e0
> Cr-Commit-Position: refs/heads/master@{#320272}

TBR=vangelis@chromium.org,vmiura@chromium.org,djsollen@chromium.org,robertphillips@chromium.org,jam@chromium.org,robertphillips@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=446722

Review URL: https://codereview.chromium.org/1034153002

Cr-Commit-Position: refs/heads/master@{#322369}