Make the default preopt 'interpret-only'.

bug:33799337
bug:36534079

Test: m -j32 bullhead/angler/marlin/sailfish

(cherry picked from commit e0848c8b7f0db40ca86c13bd4f601b8c80f978ea)

Change-Id: I6d71bdca1d7b7afab8150a0b19a0e2235832d5e0
1 file changed