Add explicit argument for running on golem

If passed, link in third party dependencies explicitly in scripts and don't build

This will allow for a simplified setup in our performance tracking

Change-Id: I18087187e52cda1f617bc433e97b7b93ecabe03a
diff --git a/tools/run_proguard_dx_on_app.py b/tools/run_proguard_dx_on_app.py
index 4624f26..e78d5d1 100755
--- a/tools/run_proguard_dx_on_app.py
+++ b/tools/run_proguard_dx_on_app.py
@@ -20,6 +20,7 @@
 
 import gmail_data
 import gmscore_data
+import golem
 import proguard
 import utils
 import youtube_data
@@ -38,6 +39,10 @@
       help = 'Use CompatDx (D8) instead of DX.',
       default = False,
       action = 'store_true')
+  parser.add_argument('--golem',
+      help = 'Link in third party dependencies.',
+      default = False,
+      action = 'store_true')
   parser.add_argument('--print-runtimeraw',
       metavar = 'BENCHMARKNAME',
       help = 'Print the line \'<BENCHMARKNAME>(RunTimeRaw): <elapsed>' +
@@ -57,7 +62,8 @@
 def Main(argv):
   utils.check_java_version()
   options = parse_arguments(argv)
-
+  if options.golem:
+    golem.link_third_party()
   outdir = options.out
 
   if options.app == 'gmscore':