Fix incorrect swizzle on BGRA platforms in filterColor4f path

Fix incorrect swizzle on BGRA platforms in filterColor4f path

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2091923003

Committed: https://skia.googlesource.com/skia/+/e2cddc5342d5aacacce4429441c94d1e0ff67d8c

[Brian Osman, 2016-06-24 18:12:05]

Description was changed from

==========
Fix incorrect swizzle on BGRA platforms in filterColor4f path

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

to

==========
Fix incorrect swizzle on BGRA platforms in filterColor4f path

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2091923003
==========

[Brian Osman, 2016-06-24 18:12:42]

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

[commit-bot: I haz the power, 2016-06-24 18:12:44]

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

[Brian Osman, 2016-06-24 18:13:36]

brianosman@google.com changed reviewers:
+ herb@google.com, mtklein@google.com, reed@google.com

[Brian Osman, 2016-06-24 18:13:37]

Changes the results of three GMs in raster-srgb mode (they were previously
incorrect, now they're not).

[commit-bot: I haz the power, 2016-06-24 18:28:34]

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

[commit-bot: I haz the power, 2016-06-24 18:28:35]

Dry run: This issue passed the CQ dry run.

[reed1, 2016-06-24 18:50:34]

lgtm

[Brian Osman, 2016-06-24 18:54:09]

The CQ bit was checked by brianosman@google.com

[commit-bot: I haz the power, 2016-06-24 18:54:18]

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, 2016-06-24 18:55:35]

Description was changed from

==========
Fix incorrect swizzle on BGRA platforms in filterColor4f path

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2091923003
==========

to

==========
Fix incorrect swizzle on BGRA platforms in filterColor4f path

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2091923003

Committed:
https://skia.googlesource.com/skia/+/e2cddc5342d5aacacce4429441c94d1e0ff67d8c
==========

[commit-bot: I haz the power, 2016-06-24 18:55:36]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/e2cddc5342d5aacacce4429441c94d1e0ff67d8c