Update Windows build output path in .bat files

sdk/bin/dartfmt.bat

Index: sdk/bin/dartfmt.bat
diff --git a/sdk/bin/dartfmt.bat b/sdk/bin/dartfmt.bat
index f0632216e5d5470e32b94669125f145e838978f7..c4ac9aacbc277975b86272cc7ecb7e1a1186f8f4 100644
--- a/sdk/bin/dartfmt.bat
+++ b/sdk/bin/dartfmt.bat
@@ -30,7 +30,7 @@ set DARTFMT=%DART_ROOT%\third_party\pkg_tested\dart_style\bin\format.dart
 rem DART_CONFIGURATION defaults to ReleaseX64
 if "%DART_CONFIGURATION%"=="" set DART_CONFIGURATION=ReleaseX64
 
-set BUILD_DIR=%DART_ROOT%\build\%DART_CONFIGURATION%
+set BUILD_DIR=%DART_ROOT%\out\%DART_CONFIGURATION%
 
 set PACKAGE_ROOT=%BUILD_DIR%\packages
 
@@ -44,7 +44,7 @@ rem Follow the symbolic links (junctions points) using `dir to determine the
 rem canonical path. Output with a link looks something like this
 rem
 rem 01/03/2013  10:11 PM    <JUNCTION>     abc def
-rem [c:\dart_bleeding\dart-repo.9\dart\build\ReleaseIA32\dart-sdk]
+rem [c:\dart_bleeding\dart-repo.9\dart\out\ReleaseIA32\dart-sdk]
 rem
 rem So in the output of 'dir /a:l "targetdir"' we are looking for a filename
 rem surrounded by right angle bracket and left square bracket. Once we get