Revert of Change to sRGB default for codec generated images.

Revert of Change to sRGB default for codec generated images. (patchset #2 id:20001 of https://codereview.chromium.org/1955063002/ )

Reason for revert:
TBR=brianosman@google.com

Original issue's description:
> Change to sRGB default for codec generated images.
> 
> Compared the gm and skps for 8888 and srgb. There are no differences for 8888, there are 100 differences for sRGB, but the 100 look correct compared to the old ones.
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1955063002
> 
> Committed: https://skia.googlesource.com/skia/+/7acc00853174361cf921ecac8fbeaf6812f53eed

TBR=brianosman@google.com,msarett@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/835acc7619fc3f07658d868b12a7f869daad99d0

[herb_g, 2016-05-17 13:50:06]

Created Revert of Change to sRGB default for codec generated images.

[commit-bot: I haz the power, 2016-05-17 13:50:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982323002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982323002/1

[commit-bot: I haz the power, 2016-05-17 13:50:17]

Description was changed from

==========
Revert of Change to sRGB default for codec generated images. (patchset #2
id:20001 of https://codereview.chromium.org/1955063002/ )

Reason for revert:
TBR=brianosman@google.com

Original issue's description:
> Change to sRGB default for codec generated images.
> 
> Compared the gm and skps for 8888 and srgb. There are no differences for 8888,
there are 100 differences for sRGB, but the 100 look correct compared to the old
ones.
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/7acc00853174361cf921ecac8fbeaf6812f53eed

TBR=brianosman@google.com,msarett@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Change to sRGB default for codec generated images. (patchset #2
id:20001 of https://codereview.chromium.org/1955063002/ )

Reason for revert:
TBR=brianosman@google.com

Original issue's description:
> Change to sRGB default for codec generated images.
> 
> Compared the gm and skps for 8888 and srgb. There are no differences for 8888,
there are 100 differences for sRGB, but the 100 look correct compared to the old
ones.
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/7acc00853174361cf921ecac8fbeaf6812f53eed

TBR=brianosman@google.com,msarett@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/835acc7619fc3f07658d868b12a7f869daad99d0
==========

[commit-bot: I haz the power, 2016-05-17 13:50:18]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/835acc7619fc3f07658d868b12a7f869daad99d0