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

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

Change-Id: I4b67500a8f9dbde7abb8fd211897da5865b1542a
Signed-off-by: Automerger Merge Worker <[email protected]>