Add a few missing variables to the 'echo' target. Add normalization of the x86_64 architecture definitions as we do for x86. Clean things up so the normalized variables are used in later conditions.
Add a few missing variables to the 'echo' target.
Add normalization of the x86_64 architecture definitions as we do for x86.
Clean things up so the normalized variables are used in later conditions.

svn path=/incubator/harmony/enhanced/classlib/trunk/; revision=452774

freeVM/freeVM,freeVM/freeVM,freeVM/freeVM,freeVM/freeVM,freeVM/freeVM