Add doc strings into task_runner.h

BUG: 24267885
Change-Id: I4f42194296abb180f1543b4a243aa8f064515450
Reviewed-on: https://weave-review.googlesource.com/1155
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
1 file changed
tree: 48ff3229c461cf3f5539670d349c7e27790beeed
  1. libweave/