Add -no-integrated-as for ARM64.

Change-Id: I7faba190554aa43f43b2eb164bdc7b3bfab68ef0
Add WITH_DEXPREOPT to the list of protected global variables.

Bug: 14380196
Change-Id: I02cff39eeaf2deddf434c0c310063e4b341edd43
Merge "Add WITH_DEXPREOPT to the list of protected global variables."
Merge "Add -no-integrated-as for ARM64."
auto-merger: merge in from aosp/master