Delete testSlicedStateCountMetric

This test was flaky because it relied on external implementation
details of the bluetooth atom. The test being deleted because there is
sufficient test coverage within statsd_test. See CountMetric_e2e_test
and StateTracker_test.

Bug: 172021928
Test: m -j
Change-Id: I10143af9d758e71eddcce373de04a7011275f8bb
1 file changed
tree: 639dd7d194c89810a5e193b362e560760f8e781c
  1. tests/