Storage Engine: put DeviceCache into the total memory of the storage engine

[caozj1011]

Description

This PR has the following optimizations:

1. The number limit of DevciePathCache is changed to the memory size limit, which is managed by the storage engine
2. Deserialize the deviceId.intern() of resource, replaced by DevciePathCache
3. deviceId.intern() of createtimeIndex is replaced by DevciePathCache
4. optimize storage engine memory allocate code ,it will be use default value if config value small than 0.
5. create PartialPath acquire from DevicePathCache when deserialize from wal