build/target: Include Lineage platform jar in system server.

Change-Id: Iaeecc4b1d8722f543b36cab76081cd49130a9eea
diff --git a/target/product/media_system.mk b/target/product/media_system.mk
index 503c9b3..11f4b02 100644
--- a/target/product/media_system.mk
+++ b/target/product/media_system.mk
@@ -50,7 +50,8 @@
 # The order here is the same order they end up on the classpath, so it matters.
 PRODUCT_SYSTEM_SERVER_JARS := \
     com.android.location.provider \
-    services
+    services \
+    org.lineageos.platform
 
 PRODUCT_COPY_FILES += \
     system/core/rootdir/etc/public.libraries.android.txt:system/etc/public.libraries.txt