Merge "Revert "Disable LTO and CFI for riscv64"" am: 7699d158 am: bea0969b am: c877e5c7

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2458510



Change-Id: I81b53197f971752be35e5e49e444c0bff3f6347a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>