[Cherry-pick] Fix flake in configTtl CTS am: d76ed212bd am: f3e6606715

Original change: https://android-review.googlesource.com/c/platform/packages/modules/StatsD/+/3573484

Change-Id: I9ca1c6f8827be28d269fef46125eaf56c7df1956
Signed-off-by: Automerger Merge Worker <[email protected]>