https://japanese.engadget.com/2017/08/21/android-8-0-oreo-pixel-nexus-5x-6p/
ʂ̃TCgɃWv悤ƂĂ܂BXΏL̃NNbNĂ
UPLIFTōLȂő̌܂傤IKȉ{Ct܂I