In order to validate that the NDK STL paths exists, we need to know
the full path, including the Gcc version during the go execution. So
instead of returning a ninja variable reference, just return the
contents of the variable.
This also fixes a few invalid uses of armGccVersion to the proper
variable.
Change-Id: I54398ba4aa4000235b7d537a2c4efe3ecbbeec8b
This defines another mutator between HostOrDevice and Arch that will
expand host modules into a module for each host type
(Darwin/Linux/Windows) that is currently being built.
Change-Id: I4c8ac6b616c229f6bd45ad8a35902652fb6a4fff