Extend chromium_tests trigger to work across masters.

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 684e91c4452738e57825e85f80cc6723a93c0fe5..dfc14508fc1eeff98425c52d234aac9acc07b7a8 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
@@ -358,16 +358,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Android WebView CTS L-MR1 (dbg)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (2)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Android Webview L (dbg)",
         "properties": {
@@ -384,16 +375,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Android Webview L (dbg)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (3)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Android Webview M (dbg)",
         "properties": {
@@ -410,16 +392,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Android Webview M (dbg)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (4)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Jelly Bean Tester",
         "properties": {
@@ -436,16 +409,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Jelly Bean Tester@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (5)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "KitKat Tablet Tester",
         "properties": {
@@ -462,16 +426,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@KitKat Tablet Tester@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (6)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Lollipop Low-end Tester",
         "properties": {
@@ -488,16 +443,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Lollipop Low-end Tester@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (7)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Lollipop Phone Tester",
         "properties": {
@@ -514,16 +460,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Lollipop Phone Tester@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (8)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Lollipop Tablet Tester",
         "properties": {
@@ -540,16 +477,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Lollipop Tablet Tester@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (9)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Marshmallow Tablet Tester",
         "properties": {
@@ -569,7 +497,7 @@
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_TEXT@Marshmallow Tablet Tester@@@"
+      "@@@STEP_TEXT@Android WebView CTS L-MR1 (dbg)<br />Android Webview L (dbg)<br />Android Webview M (dbg)<br />Jelly Bean Tester<br />KitKat Tablet Tester<br />Lollipop Low-end Tester<br />Lollipop Phone Tester<br />Lollipop Tablet Tester<br />Marshmallow Tablet Tester@@@"
     ]
   },
   {