Revert "Turn NVPR on by default (but off in tools)."

Revert "Turn NVPR on by default (but off in tools)."

This reverts commit 83d81c96de34950bdd84dc575997a250b685a3d6.

Broke Windows build.  Autorevert didn't work.

TBR=bsalomon@google.com,robertphillips@google.com
NOTREECHECKS=true
NOTRY=true
NOPRESUBMIT=true
BUG=skia:2042
Committed: https://code.google.com/p/skia/source/detail?r=13169

[commit-bot: I haz the power, 2014-01-24 15:55:46]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/mtklein@google.com/146863003/1

[commit-bot: I haz the power, 2014-01-24 15:55:55]

Presubmit check for 146863003-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Since the CL is editing public API, you must have an LGTM from one of:
('reed@chromium.org', 'reed@google.com', 'bsalomon@chromium.org',
'bsalomon@google.com')

Presubmit checks took 1.2s to calculate.

Was the presubmit check useful? If not, run "git cl presubmit -v"
to figure out which PRESUBMIT.py was run, then run git blame
on the file to figure out who to ask for help.

[commit-bot: I haz the power, 2014-01-24 15:58:48]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/mtklein@google.com/146863003/1

[commit-bot: I haz the power, 2014-01-24 15:59:09]

Presubmit check for 146863003-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Since the CL is editing public API, you must have an LGTM from one of:
('reed@chromium.org', 'reed@google.com', 'bsalomon@chromium.org',
'bsalomon@google.com')

Presubmit checks took 2.7s to calculate.

[hal.canary, 2014-01-24 16:04:20]

Committed patchset #1 manually as r13169.