photoはbitmap
受け渡し側
val intent = Intent(this, XXXXActivity::class.java)
intent.putExtra("data",photo)
startActivity(intent)
受け取り側
val intent = getIntent()
val photo = intent.getParcelableExtra<Bitmap>("data")
bitmapがデカすぎる場合、URIを利用した方がいいらしいけど
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