Revert "create a android folder"

This reverts commit 68d3fc888c48095aa9f774ff3db479b4de6ce28b.
Revert "Revert "create a android folder""

This reverts commit 98a1e96e5563c1431322754bb6daf8da648d0470.
Revert "Revert "Revert "create a android folder"""

This reverts commit f5f4dec9c4792a658b5e2b397ab78badc71aab99.
change the source-file dir