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

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



Change-Id: If4437191e9cd80619967e2df30a6e4f2d7019109
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>