Add sleep before fetching reports am: 82c868c3c3

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

Change-Id: I2c875c87948267b7945bb017571ef7b2bf2aa003
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>