Do not need to ask directory when build Android

android/ab.cmd

@@ -1,6 +1,6 @@
-xcopy ..\flash0 assets\flash0 /s /y
-xcopy ..\lang assets\lang /s /y
-xcopy ..\assets\shaders assets\shaders /s /y
+xcopy ..\flash0 assets\flash0 /s /y <d.txt
+xcopy ..\lang assets\lang /s /y <d.txt
+xcopy ..\assets\shaders assets\shaders /s /y <d.txt
 copy ..\assets\langregion.ini assets\langregion.ini
 copy ..\assets\*.png assets
 SET NDK=C:\AndroidNDK

android/d.txt

@@ -0,0 +1 @@
+d