Merge "Fix the *return* types in the arm64 dynamic function dispatch." am: 3285ae5a4d am: c24fb3d6bc

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2598909

Change-Id: Id942ca06c7baf525bb22298d749207369dbf8871
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>