default or selected kernelversion does not have config value CONFIG_ANDROID_SWITCH.
Result is shown for kernelversion 5.3.7

Android Switch class support

modulename: switch_class.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Android Switch class support
In linux kernel since version 3.3 (release Date: 2012-03-18)  
Say Y here to enable Android switch class support. This allows
monitoring switches by userspace via sysfs and uevent.

source code: