Merge "libbinder: save space for optional config options." am: 265e9e28 am:...

Merge "libbinder: save space for optional config options." am: 265e9e28 am: 6397f4d3 am: 44238a85 am: 6411ca07 am: b1f92581

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2597523



Change-Id: I923492dc3c70aad90e6bdc2e62006830986e47c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>