[statsd] Removed obsolete FRIEND_TEST statements am: 6fa5d40538

Original change: https://android-review.googlesource.com/c/platform/packages/modules/StatsD/+/2860845

Change-Id: I3b98923e1900a2dfd9ffbf886163e90cf1503b29
Signed-off-by: Automerger Merge Worker <[email protected]>