android: remove browse / download service for now. bit rot, or never finished?

Change-Id: I2323aeded34eb3fd0b176273d67a215264f9fb11
android: uploading using the camput Go process.

works, but UI is terrible and unreliable. but it uploaded and vivified a photo shared from the gallery.

Change-Id: I63199a4d25597739920b276ac240efa27c07926c