am 621cefb8: am 29eb3d09: am 9b3fb2c3: am 67c20928: Merge "For 64-bit, use 32-bit DEXPREOPT if zygote64 isn\'t enabled."

* commit '621cefb88a225b62647534d1a2916dd677fb34b1':
  For 64-bit, use 32-bit DEXPREOPT if zygote64 isn't enabled.