Add sleep before fetching reports am: 82c868c3c3 am: 3ee83cf4f7 am: e52f7a3ca7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/StatsD/+/2495003

Change-Id: I5338b08108ab676fab80b7de7923b6c5eb5ff398
Signed-off-by: Automerger Merge Worker <[email protected]>