Do not exclude VNDK modules from SoC/Product-specific modules

The VNDK modules were excluded from SoC/Product specific modules
because they were installed to system partition. However, as they
moved to VNDK APEX, we don't need to make a exception for VNDK
modules.

Bug: 170711679
Test: Follow the steps below:
$ lunch aosp_x86-eng
$ m nothing # ctrl-C while running soong_build
$ rm out/soong/.soong.in_make
$ m --skip-make libc

Change-Id: I001bc98e4031e5e8bcdea9cb920caa21b8744752