Merge "Add the missing copyright headers to the .S files." into main am: aadb2046 am: 4e1a1f05

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2767705



Change-Id: I0c9400f0a2638466b11a69873b0b5650833ff0a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>