qemu.hw.mainkeys=0
adb shell
echo qemu.hw.mainkeys=0 >> system/build.prop
adb shell cmd overlay enable com.android.internal.systemui.navbar.gestural
qemu.hw.mainkeys=1
qemu.hw.mainkeys=0
adb shell
echo qemu.hw.mainkeys=0 >> system/build.prop
adb shell cmd overlay enable com.android.internal.systemui.navbar.gestural
qemu.hw.mainkeys=1