Make minimum gc sleep time tunnable

Test: check smart idle maint log of StorageManagerService
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Change-Id: I5a70e4ec2ca895551b6446a9dfd4bb5003a3fbd0
diff --git a/IdleMaint.h b/IdleMaint.h
index 9a2af4a..e94f853 100644
--- a/IdleMaint.h
+++ b/IdleMaint.h
@@ -27,7 +27,7 @@
 int AbortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
 int32_t GetStorageLifeTime();
 void SetGCUrgentPace(int32_t neededSegments, int32_t minSegmentThreshold, float dirtyReclaimRate,
-                     float reclaimWeight, int32_t gcPeriod);
+                     float reclaimWeight, int32_t gcPeriod, int32_t minGCSleepTime);
 void RefreshLatestWrite();
 int32_t GetWriteAmount();