Add split builder/tester android trybot target

masters/master.tryserver.chromium/slaves.cfg

Index: masters/master.tryserver.chromium/slaves.cfg
diff --git a/masters/master.tryserver.chromium/slaves.cfg b/masters/master.tryserver.chromium/slaves.cfg
index 32ea0aaeb2096f6f76e8cf0fcba9fedfb713e347..2a8fa8c5a40ccdd9f84970252194653fdcd6723b 100644
--- a/masters/master.tryserver.chromium/slaves.cfg
+++ b/masters/master.tryserver.chromium/slaves.cfg
@@ -157,7 +157,7 @@ def android():
   compile_slaves = [
     {
       'master': 'TryServer',
-      'builder': ['android'],
+      'builder': ['android', 'android_builder'],
       'hostname': 'vm%d-m4' % i,
       'os': 'linux',
       'version': 'lucid',
@@ -168,12 +168,12 @@ def android():
   test_slaves = [
     {
       'master': 'TryServer',
-      'builder': ['android_test'],
+      'builder': ['android_test', 'android_tester'],
       'hostname': 'chromeperf%d' % i,
       'os': 'linux',
       'version': 'lucid',
       'bits': '64',
-    } for i in (23, 26, 27, 28, 29)
+    } for i in (23, 24, 26, 27, 28, 29, 44, 45, 46)
   ]
 
   return compile_slaves + test_slaves