update_engine: Change DLC metadata path
Change the location of the DLC metadata from /var/lib/dlc to
/var/lib/update_engine/dlc_prefs/ to make update_engine the owner of
metadata.
BUG=chromium:912666
TEST=cros_workon_make update_engine --test
TEST=install and uninstall DLCs on DUT. Check new prefs path.
Change-Id: I75f5506eee1abc834ad89a7cf363f42e384b695b
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2140007
Tested-by: Andrew Lassalle <andrewlassalle@chromium.org>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
diff --git a/common/constants.h b/common/constants.h
index 44b20b0..67519bd 100644
--- a/common/constants.h
+++ b/common/constants.h
@@ -19,9 +19,8 @@
namespace chromeos_update_engine {
-// The root path of all DLC modules metadata.
-// Keep this in sync with the one in dlcservice.
-extern const char kDlcMetadataRootpath[];
+// The root path of all DLC metadata.
+extern const char kDlcPrefsSubDir[];
// Directory for AU prefs that are preserved across powerwash.
extern const char kPowerwashSafePrefsSubDirectory[];