Fix failing testSlicedStateCountMetric am: 1cec647bb1 am: fbe5d9ffcc

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/12558419

Change-Id: I3a754a760c9aa0d21f2728de6ed4d3320769b2cd
tree: ba8fcb47092d6ccd9b44004d43003e4f3507f4fb
  1. tests/