Set up an upstream O FYI bot.

Bug: 763951
Change-Id: Iecf71d5ae64a93e51eba68f2d2d5a2914a48ad65
Reviewed-on: https://chromium-review.googlesource.com/664229
Commit-Queue: Zhiling Huang <hzl@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#512718}

testing/buildbot/chromium.android.fyi.json

@@ -3548,6 +3548,39 @@
       }
     ]
   },
+  "Oreo Phone Tester": {
+    "gtest_tests": [
+      {
+        "merge": {
+          "args": [
+            "--bucket",
+            "chromium-result-details",
+            "--test-name",
+            "chrome_public_test_apk"
+          ],
+          "script": "//build/android/pylib/results/presentation/test_results_presentation.py"
+        },
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "cipd_packages": [
+            {
+              "cipd_package": "infra/tools/luci/logdog/butler/${platform}",
+              "location": "bin",
+              "revision": "git_revision:ff387eadf445b24c935f1cf7d6ddd279f8a6b04c"
+            }
+          ],
+          "dimension_sets": [
+            {
+              "device_os": "OPR6.170623.012",
+              "device_type": "marlin"
+            }
+          ],
+          "shards": 5
+        },
+        "test": "chrome_public_test_apk"
+      }
+    ]
+  },
   "Unswarmed N5 Tests Dummy Builder": {
     "gtest_tests": [
       {