Add a ".clang-format" file which is pretty close to the rest of
wpa_supplicant code base and reformat the binder codebase.
Signed-off-by: Roshan Pius <rpius@google.com>
Restructure the binder related makefile sections to expose a separate
|libwpa_binder_interface| which can be imported by clients/tests.
While there,
Change the name of the binder service to the name used in the selinux
permissions.
Signed-off-by: Roshan Pius <rpius@google.com>