Frameworks/base: Wall Werror in libs/storage

Turn on -Wall -Werror in libs/storage.

Change-Id: I314cb32d0a917f9261488f7709d9a78a07b10fea
Frameworks/base: Fix two warnings in cmds

Change-Id: Ifb9c7fb7a2d28c13010ddc186bea5f5f0daefb4a
Merge "Frameworks/base: Fix two warnings in cmds"
Merge "Frameworks/base: Wall Werror in libs/storage"