Disable MatrixEquality test on Tegra3.

MatrixEquality was based on MatrixFoldingES2, which was already
disabled on Tegra3.

Change-Id: Ic48331e2555bc80cb28235db0f60f6a4a17626e5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/631237
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>
2 files changed