Revert of Enable distance field text on Android.

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
Committed: https://crrev.com/db1fe33a91accc8cff13b4bb419db162cd5f9be0
Cr-Commit-Position: refs/heads/master@{#322369}

[Jvsquare, 2015-03-26 12:32:44]

Created Revert of Enable distance field text on Android.

[commit-bot: I haz the power, 2015-03-26 12:32:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1034153002/1

[commit-bot: I haz the power, 2015-03-26 12:32:54]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-03-26 12:32:55]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[tomhudson, 2015-03-26 12:54:14]

The CQ bit was checked by tomhudson@google.com

[tomhudson, 2015-03-26 12:54:25]

The CQ bit was unchecked by tomhudson@google.com

[commit-bot: I haz the power, 2015-03-26 12:54:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1034153002/1

[commit-bot: I haz the power, 2015-03-26 12:54:27]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-03-26 12:54:28]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[tomhudson, 2015-03-26 12:54:32]

The CQ bit was checked by tomhudson@google.com

[tomhudson, 2015-03-26 12:54:33]

lgtm

[commit-bot: I haz the power, 2015-03-26 12:54:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1034153002/1

[commit-bot: I haz the power, 2015-03-26 12:55:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-26 12:55:35]

Patchset 1 (id:??) landed as
https://crrev.com/db1fe33a91accc8cff13b4bb419db162cd5f9be0
Cr-Commit-Position: refs/heads/master@{#322369}