Windows build scripts for Android are updated for SDK r14 and newer

android/scripts/build.cmd

@@ -73,7 +73,7 @@ ECHO. & ECHO Updating Android project...
 
 :: compile java part
 ECHO. & ECHO Compiling Android project...
-(CALL "%ANT_DIR%\bin\ant" compile) || (ECHO. & ECHO failed to compile android project & GOTO end)
+(CALL "%ANT_DIR%\bin\ant" debug) || (ECHO. & ECHO failed to compile android project & GOTO end)
 
 :end
 POPD

android/scripts/wincfg.cmd.tmpl

 :: variables required for OpenCV build ::
 :: Note: all pathes should be specified without tailing slashes!
-SET ANDROID_NDK=C:\full\path\to\your\copy\of\android\NDK\android-ndk-r7
+SET ANDROID_NDK=C:\full\path\to\your\copy\of\android\NDK\android-ndk-r7b
 SET CMAKE_EXE=C:\full\path\to\cmake\utility\cmake.exe
 SET MAKE_EXE=%ANDROID_NDK%\prebuilt\windows\bin\make.exe
 
@@ -27,4 +27,4 @@ SET BUILD_DIR=build
 ::SET BUILD_DIR=build_x86
 
 :::: other options
-::SET ANDROID_NATIVE_API_LEVEL=8   &:: android-3 is enough for native part of OpenCV but android-8 is required for Java API and samples
+::SET ANDROID_NATIVE_API_LEVEL=8   &:: android-3 is enough for native part of OpenCV but android-8 is required for Java API