ART: Set methods to preverified in verify-none

Actually mark all methods to be verified, so that the interpreter
doesn't do access checks. Speedup is about 2x on a Nexus 6 when booting
in verify-none mode.

Bug: 22040916
Change-Id: I2d6c8df2a68eae6e358da2639d980cb8bfcc1560
1 file changed