message: finish Android version info to Gradle style
diff: apply plugin: 'com.android.library'
  def openCVersionName = "@OPENCV_VERSION@"
  -def openCVersionCode = @OPENCV_VERSION_MAJOR@@OPENCV_VERSION_MINOR@@OPENCV_VERSION_PATCH@0
  +def openCVersionCode = ((@OPENCV_VERSION_MAJOR@ * 100 + @OPENCV_VERSION_MINOR@) * 100 + @OPENCV_VERSION_PATCH@) * 10 + 0
  println "OpenCV: " +openCVersionName + " " + project.buildscript.sourceFile
  