Reduce parallel jobs in build_aar.py to 200 when building with goma.

tools-webrtc/android/build_aar.py

 #!/usr/bin/env python
 
 # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
@@ skipping 111 matching lines @@
   arm_version = _GetArmVersion(arch)
   if arm_version:
     gn_args['arm_version'] = arm_version
   gn_args_str = '--args=' + ' '.join([
       k + '=' + _EncodeForGN(v) for k, v in gn_args.items()])
 
   _RunGN(['gen', output_directory, gn_args_str])
 
   ninja_args = TARGETS
   if use_goma:
-    ninja_args.extend(['-j', '1024'])
+    ninja_args.extend(['-j', '200'])
   _RunNinja(output_directory, ninja_args)
 
 
 def CollectCommon(aar_file, tmp_dir, arch):
   """Collects architecture independent files into the .aar-archive."""
   logging.info('Collecting common files.')
   output_directory = _GetOutputDirectory(tmp_dir, arch)
   aar_file.write(MANIFEST_FILE, 'AndroidManifest.xml')
   aar_file.write(os.path.join(output_directory, JAR_FILE), 'classes.jar')
 
@@ skipping 25 matching lines @@
     # Architecture doesn't matter here, arbitrarily using the first one.
     CollectCommon(aar_file, tmp_dir, args.arch[0])
     for arch in args.arch:
       Collect(aar_file, tmp_dir, arch)
 
   shutil.rmtree(tmp_dir, True)
 
 
 if __name__ == '__main__':
   sys.exit(main())