Disable MipmapTest::ThreeLevelsInitData test due to failure on D3D11
Disable MipmapTest::ThreeLevelsInitData test due to failure on D3D11

Change-Id: I5d1ee78fceb91c05f3925e753888b10cc81ec2b8
Reviewed-on: https://chromium-review.googlesource.com/241080
Tested-by: Austin Kinross <4e7ea65cff3a7294234757a0f33c94811ce2f382@microsoft.com>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

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