Update more interfaces with comments / documentation

Change-Id: Ifabf46453e17ab35231388566b221b830c5c6ff3
Reviewed-on: https://weave-review.googlesource.com/1410
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
1 file changed
tree: 9a54591d1afec09a8c854ac9ca8fae1db8edc5e0
  1. libweave/