Remove unnecessary configure macros

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add missing Android NDK build files

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
[test] Change duration tests to be more strict

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>