Merge "Fix the *return* types in the arm64 dynamic function dispatch." am: 3285ae5a4d am: c24fb3d6bc am: c134209c6c am: 083dfc08c9

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

Change-Id: Ibb01e1fc4843c009c791ee5db592db1383b6ffcf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>