Merge "Revert "Keep _FORTIFY_SOURCE=2 for libvulkan when enabling _FORT..."" into main am: 9639da022b

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3398713

Change-Id: Iaefec7f0b2806abe155562a2b5767a8bce24c575
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>