arm64: Add sp to the list of registers am: 8ec20615f2 am: 7f8fd1f6f2

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/native_bridge_support/+/3075684

Change-Id: I76b5122e1dbc0434afaa38aeac75fafa8aad27a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>