Revert of Roll ANGLE 474a08c..3820e9c

Revert of Roll ANGLE 474a08c..3820e9c (patchset #1 id:1 of https://codereview.chromium.org/2126623002/ )

Reason for revert:
Broke ARM chrome compile on chromeos:

chromeos-chrome-54.0.2789.0_rc-r1: ../../../../../../../home/chrome-bot/chrome_root/src/third_party/angle/src/image_util/loadimage_sse2.cpp:17:23: fatal error: emmintrin.h: No such file or directory
chromeos-chrome-54.0.2789.0_rc-r1:  #include <emmintrin.h>

chromeos-chrome-54.0.2789.0_rc-r1: ../../../../../../../home/chrome-bot/chrome_root/src/third_party/angle/src/image_util/loadimage_sse2.cpp:17:23: fatal error: emmintrin.h: No such file or directory
chromeos-chrome-54.0.2789.0_rc-r1:  #include <emmintrin.h>

NOTRY=true
NOTREECHECKS=true


Original issue's description:
> Roll ANGLE 474a08c..3820e9c
> 
> https://chromium.googlesource.com/angle/angle.git/+log/474a08c..3820e9c
> 
> BUG=chromium:625363, 612205, chromium:616176, 407309
> 
> TBR=jmadill@chromium.org
> 
> TEST=bots
> 
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.win:win_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.linux:linux_optional_gpu_tests_rel
> 
> Committed: https://crrev.com/6f88ffc45920456f0840acf3299c0a5e24bdebc9
> Cr-Commit-Position: refs/heads/master@{#403788}

TBR=jmadill@chromium.org,geofflang@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:625363, 612205, chromium:616176, 407309

[James Cook, 2016-07-06 16:58:34]

The CQ bit was checked by jamescook@chromium.org

[James Cook, 2016-07-06 16:58:34]

Created Revert of Roll ANGLE 474a08c..3820e9c

[commit-bot: I haz the power, 2016-07-06 16:59:03]

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

[Jamie Madill, 2016-07-06 17:01:36]

The CQ bit was unchecked by jmadill@chromium.org

[Jamie Madill, 2016-07-06 17:02:19]

not lgtm, james let's roll forward with ANGLE, reverting the roll could break cq
bots for the gpu code because of test expectations changes. it should take about
the same time.

[James Cook, 2016-07-06 17:03:22]

On 2016/07/06 17:01:36, Jamie Madill wrote:
> The CQ bit was unchecked by mailto:jmadill@chromium.org

Thanks. Talked to geofflang, Angle is going to roll forward with a fix, not
back.