Add dev_compiler to the SDK build process.

tools/create_sdk.py

Index: tools/create_sdk.py
diff --git a/tools/create_sdk.py b/tools/create_sdk.py
index 0d72c9d9350cf225d6efdcc40b28389fec033a21..65f585e055f2788f867588c3f2dda74eee178020 100755
--- a/tools/create_sdk.py
+++ b/tools/create_sdk.py
@@ -19,6 +19,7 @@
 # ......dartfmt
 # ......dart2js
 # ......dartanalyzer
+# ......dartdevc
 # ......pub
 # ......snapshots/
 # ........analysis_server.dart.snapshot
@@ -26,6 +27,7 @@
 # ........dartanalyzer.dart.snapshot
 # ........dartdoc.dart.snapshot
 # ........dartfmt.dart.snapshot
+# ........dartdevc.dart.snapshot
 # ........pub.dart.snapshot
 # ........utils_wrapper.dart.snapshot
 #.........resources/
@@ -129,14 +131,14 @@ def CopyShellScript(src_file, dest_dir):
 
 def CopyDartScripts(home, sdk_root):
   for executable in ['dart2js_sdk', 'dartanalyzer_sdk', 'dartfmt_sdk',
-                     'pub_sdk', 'dartdoc']:
+                     'pub_sdk', 'dartdoc', 'dartdevc_sdk']:
     CopyShellScript(os.path.join(home, 'sdk', 'bin', executable),
                     os.path.join(sdk_root, 'bin'))
 
 
 def CopySnapshots(snapshots, sdk_root):
   for snapshot in ['analysis_server', 'dart2js', 'dartanalyzer', 'dartfmt',
-                   'utils_wrapper', 'pub', 'dartdoc']:
+                   'utils_wrapper', 'pub', 'dartdoc', 'dartdevc']:
     snapshot += '.dart.snapshot'
     copyfile(join(snapshots, snapshot),
              join(sdk_root, 'bin', 'snapshots', snapshot))