Make the canvas draw looper setup update the canvas save count

Make the canvas draw looper setup update the canvas save count

Image filter in a paint would leave save count in wrong state
for normal draws. This could be observed through the canvas
references during the draw call. An example of this is
inspecting the canvas during a draw looper.

patch from issue 993863002 at patchset 20001 (http://crrev.com/993863002#ps20001)

BUG=skia:
TBR=kkinnunen@nvidia.com

Committed: https://skia.googlesource.com/skia/+/fd3a91e1fc4de69611b5297f624a1cd65db4ced1

[reed1, 2015-03-26 20:23:31]

reed@google.com changed reviewers:
+ kkinnunen@nvidia.com

[reed1, 2015-03-26 20:23:45]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2015-03-26 20:24:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1034033004/1

[commit-bot: I haz the power, 2015-03-26 20:30:01]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/fd3a91e1fc4de69611b5297f624a1cd65db4ced1

[reed1, 2015-03-26 20:39:45]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1037653004/ by reed@google.com.

The reason for reverting is: makes internalSave and internalSaveLayer
inconsistent. Need to find a different solution..