Disable policy push feature by default in Android.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 192bbe16ff7e15c7a44cc58544c71aba2afdb3d8..4500f759fc0ea019314b9a96d5d6dd49883a072c 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -551,6 +551,9 @@ const char kEnableBatchedShutdown[]         = "enable-batched-shutdown";
 // Enables the benchmarking extensions.
 const char kEnableBenchmarking[]            = "enable-benchmarking";
 
+// Enables pushing cloud policy to Chrome using an invalidation service.
+const char kEnableCloudPolicyPush[]         = "enable-cloud-policy-push";
+
 // This applies only when the process type is "service". Enables the Cloud
 // Print Proxy component within the service process.
 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";