Add com.android.location.provider to the system server classpath.

bug: 64571709
Test: com.android.location.provider is speed compiled in /system
Change-Id: I64c5d5257cffb9bc8481bd4fb78a65cb08ac993a
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 58bd217..c28e669 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -107,7 +107,8 @@
 PRODUCT_SYSTEM_SERVER_JARS := \
     services \
     ethernet-service \
-    wifi-service
+    wifi-service \
+    com.android.location.provider \
 
 # The set of packages whose code can be loaded by the system server.
 PRODUCT_SYSTEM_SERVER_APPS += \