change default target to download to sdk_phone_x86-sdk
diff --git a/update_build_tools.py b/update_build_tools.py
index 9243ef5..4af7ee7 100755
--- a/update_build_tools.py
+++ b/update_build_tools.py
@@ -19,7 +19,7 @@
     help='Build server build ID')
 parser.add_argument(
     '--target',
-    default='sdk',
+    default='sdk_phone_x86-sdk',
     help='Download from the specified build server target')
 parser.add_argument(
     '--from-local-dir',