Compile 'minijail0' on Brillo/Android.
We're not currently using the 'minijail0' executable on Brillo or
Android, but given that upstream Minijail is in AOSP, it's useful to
be able to build all Minijail targets in a Brillo or Android checkout.
Make it an "optional" target so that it doesn't get included on regular
This requires fixing one case of assigning 'const char*' to 'char*',
setting an invalid PRELOADPATH variable, and disabling
3 files changed