Updating gyp repo for git, preparing for cq.

PRESUBMIT.py

Index: PRESUBMIT.py
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index dd7e1ae71467869b8d01779affc03654a2a4d10d..abec27b3e33120e751973a937fc5dd000ad393a3 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -124,5 +124,16 @@ def CheckChangeOnCommit(input_api, output_api):
   return report
 
 
-def GetPreferredTrySlaves():
-  return ['gyp-win32', 'gyp-win64', 'gyp-linux', 'gyp-mac', 'gyp-android']
+TRYBOTS = [
+    'gyp-win32',
+    'gyp-win64',
+    'gyp-linux',
+    'gyp-mac',
+    'gyp-android'
+]
+
+
+def GetPreferredTryMasters(_, change):
+  return {
+      'tryserver.nacl': { t: set(['defaulttests']) for t in TRYBOTS },
+  }