Imports of package fix

PathSynopsis
cmd/go/internal/basePackage base defines shared basic pieces of the go command, in particular logging and the Command structure.
cmd/go/internal/cfgPackage cfg holds configuration shared by multiple parts of the go command.
cmd/go/internal/loadPackage load loads packages.
cmd/go/internal/modload
cmd/go/internal/strPackage str provides string manipulation utilities.
cmd/go/internal/work
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go/buildPackage build gathers information about Go packages.
osPackage os provides a platform-independent interface to operating system functionality.