default or selected kernelversion does not have config value CONFIG_ANDROID_BINDER_IPC_SELFTEST.
Result is shown for kernelversion 6.9.9

Android Binder IPC Driver Selftest

modulename: binder_alloc_selftest.ko

configname: CONFIG_ANDROID_BINDER_IPC_SELFTEST

Linux Kernel Configuration
└─>Device Drivers
└─>Android
└─>Android Binder IPC Driver Selftest
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This feature allows binder selftest to run.

Binder selftest checks the allocation and free of binder buffers
exhaustively with combinations of various buffer sizes and
alignments.

source code:
drivers/android/binder_alloc_selftest.c