Disable GPU Rasterization on Mali on Chrome OS

We observed a few rastering issue related to GPU Rasterization on Mali
devices (crbug.com/914097, crbug.com/915226)

This CL disables GPU Rasterization on Mali on Chrome OS while we investigate
further.

Bug: 845650, 914097, 915226
Test: Deploy to veyron_mickey, check crbug.com/914097 can't be reproduced
Change-Id: I53d6edc57db614e827b5cf7a44b2f306e2f747ff
Reviewed-on: https://chromium-review.googlesource.com/c/1446778
Reviewed-by: David McMahon <djmm@chromium.org>
Cr-Commit-Position: refs/branch-heads/3626@{#803}
Cr-Branched-From: d897fb137fbaaa9355c0c93124cc048824eb1e65-refs/heads/master@{#612437}
diff --git a/gpu/config/software_rendering_list.json b/gpu/config/software_rendering_list.json
index 65f37b3f..0203333b 100644
--- a/gpu/config/software_rendering_list.json
+++ b/gpu/config/software_rendering_list.json
@@ -1358,7 +1358,7 @@
     },
     {
       "id": 137,
-      "description": "GPU rasterization on CrOS is blacklisted on anything but Intel, Mali, Imagination, or AMD GPUs for now.",
+      "description": "GPU rasterization on CrOS is blacklisted on anything but Intel, Imagination, or AMD GPUs for now.",
       "cr_bugs": [684094],
       "os": {
         "type": "chromeos"
@@ -1368,7 +1368,6 @@
       ],
       "exceptions": [
         { "vendor_id": "0x8086" },
-        { "gl_renderer": "Mali-T.*" },
         { "gl_renderer": "PowerVR.*" },
         { "vendor_id": "0x1002" }
       ]