Reland: Add android scenarios presubmit task.

Author: Emmanuel Garcia

ci/dev/try_builders.json

@@ -1,32 +1,32 @@
 {
    "builders":[
       {
-         "name":"Linux Host Engine",
+         "name":"Linux Android AOT Engine",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Linux Fuchsia",
+         "name":"Linux Android Debug Engine",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Linux Android AOT Engine",
+         "name":"Linux Android Scenarios",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Linux Android Debug Engine",
+         "name":"Linux Fuchsia",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Linux Web Engine",
+         "name":"Linux Host Engine",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Mac Host Engine",
+         "name":"Linux Web Engine",
          "repo":"engine",
          "enabled": true
       },
@@ -40,13 +40,18 @@
          "repo":"engine",
          "enabled": true
       },
+      {
+         "name":"Mac Host Engine",
+         "repo":"engine",
+         "enabled": true
+      },
       {
          "name":"Mac iOS Engine",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Windows Host Engine",
+         "name":"Mac Web Engine",
          "repo":"engine",
          "enabled": true
       },
@@ -56,12 +61,12 @@
          "enabled": true
       },
       {
-         "name":"Windows Web Engine",
+         "name":"Windows Host Engine",
          "repo":"engine",
          "enabled": true
       },
       {
-         "name":"Mac Web Engine",
+         "name":"Windows Web Engine",
          "repo":"engine",
          "enabled": true
       }