Revert "Do not compress zip file for unit tests."

This reverts commit a24c755f6628659fb70af89f006a59f34d343328.

Reason for revert: not worth the additional storage cost.

Change-Id: I8ed24ddef4ac3f640bf35e79cddf433e0df0854d
diff --git a/core/tasks/host-unit-tests.mk b/core/tasks/host-unit-tests.mk
index 4453c29..ed2f2a6 100644
--- a/core/tasks/host-unit-tests.mk
+++ b/core/tasks/host-unit-tests.mk
@@ -39,7 +39,7 @@
 	  echo $$shared_lib >> $@-host-libs.list; \
 	done
 	grep $(TARGET_OUT_TESTCASES) $@.list > $@-target.list || true
-	$(hide) $(SOONG_ZIP) -L 0 -d -o $@ -P host -C $(HOST_OUT) -l $@-host.list \
+	$(hide) $(SOONG_ZIP) -d -o $@ -P host -C $(HOST_OUT) -l $@-host.list \
 	  -P target -C $(PRODUCT_OUT) -l $@-target.list \
 	  -P host/testcases -C $(HOST_OUT) -l $@-host-libs.list
 	rm -f $@.list $@-host.list $@-target.list $@-host-libs.list