Report Windows build and patch number in the component updater checks.

components/update_client/utils.cc

Index: components/update_client/utils.cc
diff --git a/components/update_client/utils.cc b/components/update_client/utils.cc
index ea5a39d39564f586ae8a0e913d618966a1485ff3..4e56c5706da3e8f11680cc67b2b4dd646635b63b 100644
--- a/components/update_client/utils.cc
+++ b/components/update_client/utils.cc
@@ -32,6 +32,7 @@
 #include "components/update_client/update_client_errors.h"
 #include "components/update_client/update_query_params.h"
 #include "components/update_client/updater_state.h"
+#include "components/update_client/utils_win.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "net/base/load_flags.h"
@@ -72,11 +73,7 @@ std::string HexStringToID(const std::string& hexstr) {
 
 std::string GetOSVersion() {
 #if defined(OS_WIN)
-  int32_t major = 0;
-  int32_t minor = 0;
-  int32_t bugfix = 0;
-  base::SysInfo::OperatingSystemVersionNumbers(&major, &minor, &bugfix);
-  return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
+  return GetWindowsOSVersion();
 #else
   return base::SysInfo().OperatingSystemVersion();
 #endif