Revert of Fix 4444 on Vulkan devices who don't support RGBA_4444

Revert of Fix 4444 on Vulkan devices who don't support RGBA_4444 (patchset #4 id:60001 of https://codereview.chromium.org/2238563002/ )

Reason for revert:
test failing on some gpus

Original issue's description:
> Fix 4444 on Vulkan devices who don't support RGBA_4444
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2238563002
> 
> Committed: https://skia.googlesource.com/skia/+/637b3bf2b9c10398d823bd015a722842d4f2f971

TBR=bsalomon@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/+/a825d5317c87784fa4ee7ff8e51ec3c2a9e0d2e3

[egdaniel, 2016-08-11 23:17:25]

The CQ bit was checked by egdaniel@google.com

[egdaniel, 2016-08-11 23:17:25]

Created Revert of Fix 4444 on Vulkan devices who don't support RGBA_4444

[commit-bot: I haz the power, 2016-08-11 23:17:34]

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, 2016-08-11 23:17:46]

Description was changed from

==========
Revert of Fix 4444 on Vulkan devices who don't support RGBA_4444 (patchset #4
id:60001 of https://codereview.chromium.org/2238563002/ )

Reason for revert:
test failing on some gpus

Original issue's description:
> Fix 4444 on Vulkan devices who don't support RGBA_4444
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2238563002
> 
> Committed:
https://skia.googlesource.com/skia/+/637b3bf2b9c10398d823bd015a722842d4f2f971

TBR=bsalomon@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 Fix 4444 on Vulkan devices who don't support RGBA_4444 (patchset #4
id:60001 of https://codereview.chromium.org/2238563002/ )

Reason for revert:
test failing on some gpus

Original issue's description:
> Fix 4444 on Vulkan devices who don't support RGBA_4444
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2238563002
> 
> Committed:
https://skia.googlesource.com/skia/+/637b3bf2b9c10398d823bd015a722842d4f2f971

TBR=bsalomon@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/+/a825d5317c87784fa4ee7ff8e51ec3c2a9e0d2e3
==========

[commit-bot: I haz the power, 2016-08-11 23:17:47]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/a825d5317c87784fa4ee7ff8e51ec3c2a9e0d2e3