[Driver] Default to `-z now` and `-z relro` on Android.

Authored by danalbert on Wed, Oct 10, 5:19 PM.



RTLD_LAZY is not supported on Android (though failing to use -z now
will work since it is assumed by the loader).

RelRO is required.

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danalbert created this revision.Wed, Oct 10, 5:19 PM
srhines accepted this revision.Wed, Oct 10, 6:25 PM
This revision is now accepted and ready to land.Wed, Oct 10, 6:25 PM
This revision was automatically updated to reflect the committed changes.