mount bind /system/bin/adbd /sbin/adbd before adbd starts
This is needed for master on A-only devices
diff --git a/sepolicy/vndk_detect.te b/sepolicy/vndk_detect.te
index ef4c7bf..01dec96 100644
--- a/sepolicy/vndk_detect.te
+++ b/sepolicy/vndk_detect.te
@@ -9,3 +9,8 @@
allow vndk_detect toolbox_exec:file rx_file_perms;
#/system/bin/grep
allow vndk_detect system_file:file rx_file_perms;
+
+#mount -o bind /system/bin/adbd /sbin/adbd
+allow vndk_detect adbd_exec:file { getattr };
+allow vndk_detect rootfs:file { mounton getattr };
+allow vndk_detect self:capability { sys_admin };