Expose time-interval detail query on INetworkStatsSession

Also, force polling when a session is opened for NetworkStatsManager.

Bug: 21864554
Bug: 21754685
Change-Id: I24ea822c2d5bc1421ec7ee65d0cfe27cf02dd69e
4 files changed
tree: 98fa7460b4279be8cf61e9c84bee35393554b7f1
  1. core/
  2. services/
  3. wifi/