Upgrade version of Visual Studio in which cdb.exe is searched for.

telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py

Index: telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
diff --git a/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py b/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
index 2daf92b068dc75ecbca6951c50282a0356867973..14df4ef70016a698894f0aba76afd98799238d3f 100644
--- a/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
+++ b/telemetry/telemetry/internal/backends/chrome/desktop_browser_backend.py
@@ -186,9 +186,9 @@ class DesktopBrowserBackend(chrome_browser_backend.ChromeBrowserBackend):
         'Debugging Tools For Windows (x64)',
         os.path.join('Windows Kits', '8.0', 'Debuggers', 'x86'),
         os.path.join('Windows Kits', '8.0', 'Debuggers', 'x64'),

[scottmg, 2016/04/04 21:53:43]

While you're here, you might want to add '10', and '8.1' to this list for newer
SDKs.

-        os.path.join('win_toolchain', 'vs2013_files', '*', 'win_sdk',
+        os.path.join('win_toolchain', 'vs_files', '*', 'win_sdk',
                      'Debuggers', 'x86'),
-        os.path.join('win_toolchain', 'vs2013_files', '*', 'win_sdk',
+        os.path.join('win_toolchain', 'vs_files', '*', 'win_sdk',
                      'Debuggers', 'x64'),
     )
     for possible_path in possible_paths: