Enable tessellating GPU path renderer.

Enable tessellating GPU path renderer.

Note: this will affect a large number of GPU GM results.

R=bsalomon@google.com
BUG=

Committed: https://skia.googlesource.com/skia/+/c185019d009dbfcc8d07f267b0fd72ba1ce673d9

[Stephen White, 2015-04-13 14:32:29]

The CQ bit was checked by senorblanco@chromium.org

[commit-bot: I haz the power, 2015-04-13 14:32:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1084573003/1

[commit-bot: I haz the power, 2015-04-13 14:32:43]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2015-04-13 20:32 UTC

[commit-bot: I haz the power, 2015-04-13 14:45:51]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2015-04-13 20:45 UTC

[Stephen White, 2015-04-13 14:45:56]

Brian: PTAL. Thanks!

[bsalomon, 2015-04-13 14:48:37]

On 2015/04/13 14:45:56, Stephen White wrote:
> Brian: PTAL. Thanks!

lgtm

[commit-bot: I haz the power, 2015-04-13 14:50:30]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/c185019d009dbfcc8d07f267b0fd72ba1ce673d9