tree bde4de18ee79328683dd3e2b46508ed6d40e4c22
parent 21062e7c7ee18ada6b9c62b5da175d42296e231b
author Jeff Sharkey <jsharkey@android.com> 1307061502 -0700
committer Jeff Sharkey <jsharkey@android.com> 1307516068 -0700

Compute range-based usage in NetworkStatsHistory.

When given a start/end range, interpolate between buckets to return
the total network usage.  Used to summarize detailed UID stats.  Method
to combine NetworkStatsHistory regardless of bucket size.  Used to
combine all histories matching a template.

Added tests for both methods.

Change-Id: Ia463910c0ecf7cf08dcf97c658ad99742bd6b882