Store dexpreopt.config files to dexpreopt_config.zip

To dexpreopt in post processing, store config files for dexpreopt

Bug: 158843648
Test: m dist and check dexpreopt_config.zip
Change-Id: I5c63a5ffc10023994b14e3a63f50defb9194739f
diff --git a/core/main.mk b/core/main.mk
index 3362681..1c3a20e 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1694,6 +1694,7 @@
     $(PROGUARD_USAGE_ZIP) \
     $(COVERAGE_ZIP) \
     $(APPCOMPAT_ZIP) \
+    $(DEXPREOPT_CONFIG_ZIP) \
     $(INSTALLED_FILES_FILE) \
     $(INSTALLED_FILES_JSON) \
     $(INSTALLED_FILES_FILE_VENDOR) \