Recipe changes to move webview perf bots to the android/perf recipe

scripts/slave/recipes/android/builder.expected/full_chromium_perf_Android_Builder.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "chromium.perf",
       "--builder",
       "Android Builder",
@@ skipping 222 matching lines @@
       "[SLAVE_BUILD]/src/out/build_product.zip",
       "gs://chrome-perf/android_perf_rel/full-build-linux_267739.zip"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "gsutil upload_build_product",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chrome-perf/android_perf_rel/full-build-linux_267739.zip@@@"
     ]
   },
   {
+    "cmd": [],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "trigger",
+    "trigger_specs": [
+      {
+        "builder_name": "WebView Nexus5 Perf (1)",
+        "properties": {
+          "bucket": "master.chromium.perf.fyi",
+          "mastername": "master.chromium.perf.fyi",
+          "revision": "267739"
+        }
+      },
+      {
+        "builder_name": "WebView Nexus5X Perf (1)",
+        "properties": {
+          "bucket": "master.chromium.perf.fyi",
+          "mastername": "master.chromium.perf.fyi",
+          "revision": "267739"
+        }
+      },
+      {
+        "builder_name": "WebView Nexus5X Perf (2)",
+        "properties": {
+          "bucket": "master.chromium.perf.fyi",
+          "mastername": "master.chromium.perf.fyi",
+          "revision": "267739"
+        }
+      }
+    ],
+    "~followup_annotations": [
+      "@@@STEP_TEXT@WebView Nexus5 Perf (1)<br />WebView Nexus5X Perf (1)<br />WebView Nexus5X Perf (2)@@@"
+    ]
+  },
+  {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]