Add android_n5x_swarming_rel builder.

masters/master.tryserver.chromium.android/builders.pyl

Index: masters/master.tryserver.chromium.android/builders.pyl
diff --git a/masters/master.tryserver.chromium.android/builders.pyl b/masters/master.tryserver.chromium.android/builders.pyl
index f41e835805cc3450281e8409dec24cfe0822e632..9bf8f954d530e69f042e56dcf32b0550c2b02b56 100644
--- a/masters/master.tryserver.chromium.android/builders.pyl
+++ b/masters/master.tryserver.chromium.android/builders.pyl
@@ -114,6 +114,13 @@
       "slavebuilddir": "android",
       "slave_pools": ["ccompute_android_launch"],
     },
+    "android_n5x_swarming_rel": {
+      "builder_timeout_s": 6900,  # 60 * 115
+      "recipe": "chromium_trybot",
+      "scheduler": None,
+      "slavebuilddir": "android",
+      "slave_pools": ["ccompute_android_launch"],
+    },
     "android_chromium_variable": {
       "builder_timeout_s": 36000,  # 60 * 600
       "recipe": "findit/chromium/compile",