Add Secure compilation flag to voice processing library

Add secure compilation flag:
   * -D_FORTIFY_SOURCE=2 -O2
   * -fstack-protector-strong

Change-Id: I86b7e0804812d9d5ae1aac1dfd5626940087953c
Signed-off-by: Huicheng Liu <huicliu@codeaurora.org>
1 file changed