toolbox/libmodprobe: add toolbox to vendor_ramdisk

toolbox and libmodprobe are required for module loading before
first stage init begin.

BUG: 329807942
Signed-off-by: Junki Min <joonki.min@samsung.com>
Change-Id: Icf04888e602b012758ebf353ed8e4aff2585fd07
diff --git a/libmodprobe/Android.bp b/libmodprobe/Android.bp
index 1d94a96..12906cc 100644
--- a/libmodprobe/Android.bp
+++ b/libmodprobe/Android.bp
@@ -10,6 +10,7 @@
     vendor_available: true,
     ramdisk_available: true,
     recovery_available: true,
+    vendor_ramdisk_available: true,
     host_supported: true,
     srcs: [
         "libmodprobe.cpp",