android: path changed

Change-Id: Idecc6219650159b1030792e709db8961234ebd09
android: aosp path changed

Change-Id: I4bca8fc1bb8ae44f6e615123d618fdb143d3337c
update document

Change-Id: Id00c43739c7615d55d53289f54a7f3de823edbae
add p880 support

Change-Id: I99c8d14775a65d3dc97fa9f8555219859d85c445