[Android] Switch the x86, x64, and mips builders on chromium.android to mb.

scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json b/scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json
index dc6f8392ef6cf9cdb45d56e4c3d82a3213b22847..b4b8797473bc9236fc3477e260da0eb88232df56 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_android_Android_arm_Builder__dbg_.json
@@ -228,10 +228,7 @@
       "/path/to/tmp/json",
       "--goma-dir",
       "[BUILD]/goma",
-      "--",
-      "android_builder_tests",
-      "android_webview_test_apk",
-      "remoting_apk"
+      "--"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -269,33 +266,6 @@
     "name": "trigger",
     "trigger_specs": [
       {
-        "builder_name": "Android WebView (amp)",
-        "properties": {
-          "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
-          "parent_got_angle_revision_cp": "refs/heads/master@{#297276}",
-          "parent_got_nacl_revision": "d998e125e8253980d76e269b7982aeeefc1b9b50",
-          "parent_got_nacl_revision_cp": "refs/heads/master@{#274981}",
-          "parent_got_revision": "f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
-          "parent_got_revision_cp": "refs/heads/master@{#170242}",
-          "parent_got_swarming_client_revision": "a0ee5d99f1d4b38ddaa4c759c837980b63b99566",
-          "parent_got_swarming_client_revision_cp": "refs/heads/master@{#276089}",
-          "parent_got_v8_revision": "801ada225ddc271c132c3a35f03975671d43e399",
-          "parent_got_v8_revision_cp": "refs/heads/master@{#43426}",
-          "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
-          "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
-        }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Android WebView (amp)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (2)",
-    "trigger_specs": [
-      {
         "builder_name": "Jelly Bean Tester",
         "properties": {
           "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
@@ -320,7 +290,7 @@
   {
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (3)",
+    "name": "trigger (2)",
     "trigger_specs": [
       {
         "builder_name": "KitKat Tablet Tester",
@@ -347,7 +317,7 @@
   {
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (4)",
+    "name": "trigger (3)",
     "trigger_specs": [
       {
         "builder_name": "Lollipop Low-end Tester",
@@ -374,7 +344,7 @@
   {
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (5)",
+    "name": "trigger (4)",
     "trigger_specs": [
       {
         "builder_name": "Lollipop Phone Tester",
@@ -401,7 +371,7 @@
   {
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (6)",
+    "name": "trigger (5)",
     "trigger_specs": [
       {
         "builder_name": "Lollipop Tablet Tester",
@@ -428,7 +398,7 @@
   {
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
-    "name": "trigger (7)",
+    "name": "trigger (6)",
     "trigger_specs": [
       {
         "builder_name": "Marshmallow Tablet Tester",