Fix DeviceAtomTestCase#getUid() am: 3faf777d58

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/StatsD/+/18338229

Change-Id: I4ec7a58eebd544ae47d0dcba6d066b552ad3f6b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>