Change to Android.

Signed-off-by: godai_0519 <godai0519@gmail.com>
set_connection_type impl

Signed-off-by: godai_0519 <godai0519@gmail.com>
ChunkHandler changed.

Signed-off-by: godai_0519 <godai0519@gmail.com>
Merge remote-tracking branch 'remotes/origin/feature/android' into develop