storaged:Thread out of sync will cause null pointer crash

if other process binder calls dumpPerfHistory when storaged is started, there will be a problem with the storage_sp null pointer

Test: Manual

Bug: 149251684

Change-Id: I9bf61ceb7c34326e95f2355129714d28153a994c
Signed-off-by: shaozhongqi <shaozhongqi@xiaomi.com>