Run WebGL 2.0 tests on passthrough cmd decoder on Linux/Intel.

It looks like an oversight that they weren't run on this configuration
previously.

Tbr: geofflang@chromium.org
Bug: 872302
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: I77e4e175a449cea70254dcc3bab8ea3686fc74d9
Reviewed-on: https://chromium-review.googlesource.com/1168464Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582392}

testing/buildbot/chromium.gpu.fyi.json

@@ -4719,6 +4719,32 @@
           "idempotent": false
         }
       },
+      {
+        "args": [
+          "webgl_conformance",
+          "--show-stdout",
+          "--browser=release",
+          "--passthrough",
+          "-v",
+          "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc --use-gl=angle --use-angle=gl --use-cmd-decoder=passthrough",
+          "--webgl-conformance-version=2.0.1",
+          "--read-abbreviated-json-results-from=../../content/test/data/gpu/webgl2_conformance_tests_output.json"
+        ],
+        "isolate_name": "telemetry_gpu_integration_test",
+        "name": "webgl2_conformance_gl_passthrough_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "8086:5912",
+              "os": "Ubuntu",
+              "pool": "Chrome-GPU"
+            }
+          ],
+          "idempotent": false,
+          "shards": 20
+        }
+      },
       {
         "args": [
           "webgl_conformance",

testing/buildbot/waterfalls.pyl

@@ -1399,12 +1399,7 @@
         },
         'test_suites': {
           'gtest_tests': 'gpu_fyi_linux_release_gtests',
-          # TODO(kbr): switch this to
-          # gpu_fyi_win_and_linux_intel_and_nvidia_release_telemetry_tests. Seems
-          # to have been an oversight that
-          # webgl2_conformance_gl_passthrough_tests was't running on the Linux
-          # Intel HD 630 bots.
-          'gpu_telemetry_tests': 'gpu_fyi_win_and_linux_release_telemetry_tests',
+          'gpu_telemetry_tests': 'gpu_fyi_win_and_linux_intel_and_nvidia_release_telemetry_tests',
         },
       },
       'Linux FYI Release (NVIDIA)': {