health.filesystem::IFileSystem -> health.storage::IStorage

Rename the HAL because it is regarding 'storage health',
not 'filesystem health'.

Bug: 111655771
Test: compiles
Change-Id: I07072c876fb07c88be8bd74cf6b84aec6020a697
Merged-In: I07072c876fb07c88be8bd74cf6b84aec6020a697
4 files changed