Remove 64-bit binder ABI setting. am: 86f25c1d4b am: 9964092da8 am: a5a0b99a4d

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/2559770

Change-Id: I465412bf9671b24aeae7e1816042b05f921db580
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>