Android permission and device_filter

Permissions to Read/Write data on android devices and usage of USB added.
Also, to enable opening of application on attaching a divecomputer,
device_filter.xml is added. It contains VID PID of supported divecomputers.

Signed-off-by: Venkatesh Shukla <venkatesh.shukla.eee11@iitbhu.ac.in>