Re-add android try bot to webkitpy builder config.

third_party/WebKit/Tools/Scripts/webkitpy/common/config/builders.py

 # Copyright (c) 2016, Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 97 matching lines @@
     "win7_blink_rel": {
         "port_name": "win-win7",
         "specifiers": ['Win7', 'Release'],
         "is_try_builder": True,
     },
     "win10_blink_rel": {
         "port_name": "win-win10",
         "specifiers": ['Win10', 'Release'],
         "is_try_builder": True,
     },
-    # TODO(qyearsley): Add android_blink_rel.
+    "android_blink_rel": {
+        "port_name": "android",
+        "specifiers": ['Android', 'Release'],
+        "is_try_builder": True,
+    },
 }