Merge "storaged: use correct accumulate variable for publishing disk stats" am: 14c7361f

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2433362



Change-Id: Ib9b375126768f5686c75979b230fbb24318287e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>