Use unzip -DD

We put reproducible timestamps in zip files so that the artifacts
are consistent, but that leads to old timestamps in the output
directory if they are unzipped as part of the build.  Use
unzip -DD when unzipping to update the timestamps.

Bug: 161015009
Test: touch -d 2020-01-01 ref; find $OUT/system -not -newer ref
Change-Id: I6f08ba8695d90a8225cfc04e679755e6296deed0
diff --git a/core/jacoco.mk b/core/jacoco.mk
index 148bb04..e8fb89b 100644
--- a/core/jacoco.mk
+++ b/core/jacoco.mk
@@ -47,7 +47,7 @@
 $(my_unzipped_timestamp_path): $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
 	rm -rf $(PRIVATE_UNZIPPED_PATH) $@
 	mkdir -p $(PRIVATE_UNZIPPED_PATH)
-	unzip -q $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) \
+	unzip -qDD $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) \
 	  -d $(PRIVATE_UNZIPPED_PATH) \
 	  $(PRIVATE_INCLUDE_ARGS)
 	(cd $(PRIVATE_UNZIPPED_PATH) && rm -rf $(PRIVATE_EXCLUDE_ARGS))