Run the dEQP GLES 3.1 tests on Windows and Linux NVIDIA OpenGL.

testing/buildbot/chromium.gpu.fyi.json

 {
   "AAAAA1 AUTOGENERATED FILE DO NOT EDIT": {},
   "AAAAA2 See generate_buildbot_json.py to make changes": {},
   "Android Release (Nexus 5)": {
     "gtest_tests": [
       {
         "override_isolate_target": "angle_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "cipd_packages": [
@@ skipping 4367 matching lines @@
           ],
           "shards": 4
         },
         "test": "angle_deqp_gles2_tests",
         "use_xvfb": false
       },
       {
         "args": [
           "--deqp-egl-display-type=angle-gl"
         ],
+        "name": "angle_deqp_gles31_gl_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "10de:104a",
+              "os": "Linux"
+            }
+          ],
+          "shards": 4
+        },
+        "test": "angle_deqp_gles31_tests",
+        "use_xvfb": false
+      },
+      {
+        "args": [
+          "--deqp-egl-display-type=angle-gl"
+        ],
         "name": "angle_deqp_gles3_gl_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
             {
               "gpu": "10de:104a",
               "os": "Linux"
             }
           ],
           "shards": 12
@@ skipping 9045 matching lines @@
               "os": "Windows-2008ServerR2-SP1"
             }
           ],
           "shards": 4
         },
         "test": "angle_deqp_gles2_tests",
         "use_xvfb": false
       },
       {
         "args": [
+          "--deqp-egl-display-type=angle-gl"
+        ],
+        "name": "angle_deqp_gles31_gl_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "10de:104a",
+              "os": "Windows-2008ServerR2-SP1"
+            }
+          ],
+          "shards": 4
+        },
+        "test": "angle_deqp_gles31_tests",
+        "use_xvfb": false
+      },
+      {
+        "args": [
           "--deqp-egl-display-type=angle-d3d11"
         ],
         "name": "angle_deqp_gles3_d3d11_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
             {
               "gpu": "10de:104a",
               "os": "Windows-2008ServerR2-SP1"
             }
@@ skipping 2652 matching lines @@
             {
               "gpu": "10de:104a",
               "os": "Windows-2012ServerR2-SP0"
             }
           ]
         }
       }
     ]
   }
 }