Don't use .. to reference the target file.

Change-Id: I1d08db81c37853f5bf0bdf5dbe848634e6ae9f61
diff --git a/core/Makefile b/core/Makefile
index b88399e..78b9f1e 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -831,7 +831,7 @@
 		$(TARGET_COPY_OUT_SYSTEM) \
 		$(patsubst $(PRODUCT_OUT)/%, %, $(TARGET_OUT_NOTICE_FILES))
 ifeq (true,$(PLATFORM_ZIP_ADD_JAVA))
-	$(hide) cd $(OUT_DIR) && zip -qry ../$(INSTALLED_PLATFORM_ZIP) $(PDK_PLATFORM_JAVA_ZIP_CONTENTS)
+	$(hide) cd $(OUT_DIR) && zip -qry $(patsubst $(OUT_DIR)/%,%,$@) $(PDK_PLATFORM_JAVA_ZIP_CONTENTS)
 endif