Revert of Add color space xform support to SkJpegCodec (includes F16!)

Revert of Add color space xform support to SkJpegCodec (includes F16!) (patchset #9 id:260001 of https://codereview.chromium.org/2174493002/ )

Reason for revert:
Breaking MSAN

Original issue's description:
> Add color space xform support to SkJpegCodec (includes F16!)
> 
> Also changes SkColorXform to support:
> RGBA->RGBA
> RGBA->BGRA
> 
> Instead of:
> RGBA->SkPMColor
> 
> TBR=reed@google.com
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2174493002
> CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
> 
> Committed: https://skia.googlesource.com/skia/+/73d55332e2846dd05e9efdaa2f017bcc3872884b

TBR=mtklein@google.com,reed@google.com,herb@google.com,brianosman@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/+/39979d8c6b97889f600a212cfc9b063360f3de2f

[msarett, 2016-07-29 00:11:04]

The CQ bit was checked by msarett@google.com

[msarett, 2016-07-29 00:11:04]

Created Revert of Add color space xform support to SkJpegCodec (includes F16!)

[commit-bot: I haz the power, 2016-07-29 00:11:12]

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, 2016-07-29 00:11:22]

Description was changed from

==========
Revert of Add color space xform support to SkJpegCodec (includes F16!) (patchset
#9 id:260001 of https://codereview.chromium.org/2174493002/ )

Reason for revert:
Breaking MSAN

Original issue's description:
> Add color space xform support to SkJpegCodec (includes F16!)
> 
> Also changes SkColorXform to support:
> RGBA->RGBA
> RGBA->BGRA
> 
> Instead of:
> RGBA->SkPMColor
> 
> TBR=reed@google.com
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2174493002
>
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
> 
> Committed:
https://skia.googlesource.com/skia/+/73d55332e2846dd05e9efdaa2f017bcc3872884b

TBR=mtklein@google.com,reed@google.com,herb@google.com,brianosman@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 Add color space xform support to SkJpegCodec (includes F16!) (patchset
#9 id:260001 of https://codereview.chromium.org/2174493002/ )

Reason for revert:
Breaking MSAN

Original issue's description:
> Add color space xform support to SkJpegCodec (includes F16!)
> 
> Also changes SkColorXform to support:
> RGBA->RGBA
> RGBA->BGRA
> 
> Instead of:
> RGBA->SkPMColor
> 
> TBR=reed@google.com
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2174493002
>
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
> 
> Committed:
https://skia.googlesource.com/skia/+/73d55332e2846dd05e9efdaa2f017bcc3872884b

TBR=mtklein@google.com,reed@google.com,herb@google.com,brianosman@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/+/39979d8c6b97889f600a212cfc9b063360f3de2f
==========

[commit-bot: I haz the power, 2016-07-29 00:11:23]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/39979d8c6b97889f600a212cfc9b063360f3de2f