Merge "Add APIs to manage WriteBooster buffer" into main am: a1106e3989 am: 5979ac1107

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/3250250

Change-Id: I7a980b45425bcdd86c2e59358f6a4dd3c5892873
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>