Introduction of android assets and resources management API

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>
Introduction of the android audio API, needs android resources

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>
Introduction of java io API, used by android audio and resources

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>