Roll ANGLE

https://chromium.googlesource.com/angle/angle.git/+log/cce8965d2c58..878c8b1e5e89

ANGLE now crashes (on program compilation) if there isn't a flush between uses of different flavors of ANGLE context (e.g., angle_gl_es2 vs. angle_gl_es3).

Change-Id: If59b6ec683e682db5214bb002a70863cee5fe013
Reviewed-on: https://skia-review.googlesource.com/28865
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2 files changed