[MTS] Improved reliability for testSystemServerLossErrorCode  test am: 5931456897 am: 430c93f32e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/StatsD/+/2971313

Change-Id: I7ca55b78f053d54543c916b8eb13232f6e0b7669
Signed-off-by: Automerger Merge Worker <[email protected]>