Adjust writeback device size based on free space am: d491f74e8b Original change: https://android-review.googlesource.com/c/platform/system/memory/mmd/+/3449457 Change-Id: I1fc13afc94051e6e726e6866605a3054a1dd0326 Signed-off-by: Automerger Merge Worker <[email protected]>