Read/write Odrefresh metrics in XML format am: 82f62eedb2 am: 6acc87066d am: dd4b0a4c33 am: 93efec84ab am: 077ac88492

Original change: https://android-review.googlesource.com/c/platform/art/+/2101702

Change-Id: Id175542f2b1b1dbd4e730f0b3cde0da46baf4d64
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>