x86: enable FORTIFY_SOURCE

Enable FORTIFY_SOURCE for Android x86.  This adds certain security
protections to Android programs, checking for common programming
mistakes and buffer overflows.

FORTIFY_SOURCE protections have been enabled for ARM since
a46c480e43cc61d0190569684f0a1e53a5da75b6 (Jun 4th 2012)

Change-Id: Idae6f93d37ddae605088867cd3029f12632456e1
Use GCC 4.7 from google

Thanks aaronpoweruser for saving me hours of fixing errors myself.

Change-Id: I85cdd49a802bc9577e40bccbcfa2b08f3c76a472
Signed-off-by: Stevespear426 <stephen.k.spear@gmail.com>
GCC 4.7 O3 and aliasing Optimizations

Requires http://gerrit.sudoservers.com/#/c/4568/ to build.

Change-Id: Ic416df6a593d1094deaac5a2261b625f734ce404
Add strict_aliasing.