Refactor assertion into assertInRange() method

It's hard to read in current design, refactor the
assertion into assertInRange() for readability.

Test: atest android.net.cts.TrafficStatsTest
Change-Id: I6d939dd62cad3d6ba23a3c5ca7b1e6a8b4131a90
1 file changed
tree: 3fd2e9aa36d95c7b1783d2f996d9e70550c1d5b3
  1. tests/