cutils: Add clang FORTIFY support

Bug: 32073964
Test: Builds on angler, bullhead, marlin, sailfish. Bionic CTS tests
pass on Angler and Bullhead.

Change-Id: I3d7f8ff73f92b1deb1e07f08282098e71e2d03a9
Signed-off-by: Alex Naidis <alex.naidis@linux.com>
1 file changed