Build the optimized memset(). am: 7aea3e8806

Original change: https://android-review.googlesource.com/c/platform/external/arm-optimized-routines/+/2304572

Change-Id: I1c3f88174e00550ab598f22638364dde4fd79c96
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>