Disable broken tests on Tegra3.

This GPU does not support for-loops with exit conditions that cannot be
determined at compile time. (This is out of spec for ES2.)

Change-Id: I8c6d50afafc735d268808013a3d6474f855acea7
Bug: skia:12477
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/470796
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed