Add statsd-service to system server jars

Add statsd-service to system server jars so that StatsCompanionService
continues to exist in system server.

Bug: 141697533
Test: builds and boots: 1. make clean 2. m -j droid 3.
vendor/google/tools/flashall
Change-Id: Ie26e3ac23c407364f5ab6796ee2c65023c87360e
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 353e746..71716ab 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -246,6 +246,7 @@
     snapshotctl \
     SoundPicker \
     statsd \
+    statsd-service \
     storaged \
     surfaceflinger \
     svc \