media: Enable media_mojo_unittests on more bots

testing/buildbot/chromium.mac.json

Index: testing/buildbot/chromium.mac.json
diff --git a/testing/buildbot/chromium.mac.json b/testing/buildbot/chromium.mac.json
index 1aed1c8d0b5f94439ace0eeeeb6cbcbaf6df1d3c..5839c4698ac0065c54bc07af10aa03fe211d1b4e 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -204,6 +204,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "media_mojo_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_unittests"
       },
       {
@@ -543,6 +549,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "media_mojo_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_unittests"
       },
       {
@@ -883,6 +895,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "media_mojo_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_unittests"
       },
       {
@@ -1211,6 +1229,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "media_mojo_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_unittests"
       },
       {