gpu: Use egl client wait if server wait not available

gpu: Use egl client wait if server wait not available

Check for EGL_KHR_wait_sync extension before calling eglWaitSyncKHR. If
extension not present, fallback to EGL_KHR_fence_sync and
eglClientWaitSyncKHR.

BUG=

Committed: https://crrev.com/bf634aa33aa21ce25ef680bca6305b9ad64acfbc
Cr-Commit-Position: refs/heads/master@{#300569}

[boliu, 2014-10-21 21:14:05]

boliu@chromium.org changed reviewers:
+ sievers@chromium.org

[boliu, 2014-10-21 21:14:06]

PTAL

[no sievers, 2014-10-21 21:15:40]

lgtm

[boliu, 2014-10-21 21:16:13]

The CQ bit was checked by boliu@chromium.org

[commit-bot: I haz the power, 2014-10-21 21:17:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/670843002/1

[commit-bot: I haz the power, 2014-10-21 23:46:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-21 23:46:59]

Patchset 1 (id:??) landed as
https://crrev.com/bf634aa33aa21ce25ef680bca6305b9ad64acfbc
Cr-Commit-Position: refs/heads/master@{#300569}