Added gl_unittests to various try/build bots.

testing/buildbot/chromium.memory.json

 {
   "Linux ASan LSan Tests (1)": {
     "gtest_tests": [
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "accessibility_unittests"
       },
       {
@@ skipping 51 matching lines @@
       {
         "test": "extensions_unittests"
       },
       {
         "test": "gcm_unit_tests"
       },
       {
         "test": "gfx_unittests"
       },
       {
+        "test": "gl_unittests"
+      },
+      {
         "test": "google_apis_unittests"
       },
       {
         "test": "gpu_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 3
         },
@@ skipping 155 matching lines @@
       {
         "test": "events_unittests"
       },
       {
         "test": "gcm_unit_tests"
       },
       {
         "test": "gfx_unittests"
       },
       {
+        "test": "gl_unittests"
+      },
+      {
         "test": "google_apis_unittests"
       },
       {
         "test": "gpu_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 2
         },
@@ skipping 273 matching lines @@
       },
       {
         "test": "ui_base_unittests"
       },
       {
         "test": "url_unittests"
       }
     ]
   }
 }