Add calculator to core makefiles
diff --git a/target/product/core.mk b/target/product/core.mk
index 8cf6b24..1825824 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -9,6 +9,7 @@
 PRODUCT_PACKAGES := \
     framework-res \
     Browser \
+    Calculator \
     Contacts \
     Launcher \
     HTMLViewer \
@@ -27,4 +28,3 @@
     PackageInstaller \
     WebSearchProvider \
     Bugreport
-