vold: add gc period in setGCUrgentPace am: 7c788fc3e9

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2032446

Change-Id: I691c355f6eb91f83af0b4bbdade10bd67ceb62a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>