Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2372703007

Committed: https://skia.googlesource.com/skia/+/b3a3b58c4eeeafca1c9ffe28d087ef5de60dc5cd

[dogben, 2016-09-27 18:32:16]

Description was changed from

==========
Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

BUG=skia:
==========

to

==========
Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2372703007
==========

[dogben, 2016-09-27 18:32:44]

The CQ bit was checked by benjaminwagner@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-27 18:32:54]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[dogben, 2016-09-27 19:06:14]

benjaminwagner@google.com changed reviewers:
+ reed@google.com

[commit-bot: I haz the power, 2016-09-27 19:06:17]

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

[commit-bot: I haz the power, 2016-09-27 19:06:18]

Dry run: This issue passed the CQ dry run.

[reed1, 2016-09-27 19:19:58]

lgtm

[dogben, 2016-09-27 19:27:03]

The CQ bit was checked by benjaminwagner@google.com

[commit-bot: I haz the power, 2016-09-27 19:27:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-27 19:28:21]

Description was changed from

==========
Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2372703007
==========

to

==========
Add SK_SUPPORT_LEGACY_ARITHMETICMODE flag to public.bzl.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2372703007

Committed:
https://skia.googlesource.com/skia/+/b3a3b58c4eeeafca1c9ffe28d087ef5de60dc5cd
==========

[commit-bot: I haz the power, 2016-09-27 19:28:22]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/b3a3b58c4eeeafca1c9ffe28d087ef5de60dc5cd