cmake CMAKE_FIND_ROOT_PATH_MODE_PROGRAM examples

SsageParuders/Android_Native_Surface my_android_opencv/platforms/android/android.toolchain.cmake :1631 

foreach(v
      CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
      CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
      CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
      CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
  )