git: openjdk/mobile: 8232167: Visual Studio install found through --with-tools-dir value is discarded

[duke]

Changeset: 4ad3d82c
Author:    Jorn Vernee <jvernee at openjdk.org>
Date:      2019-10-11 06:57:33 +0000
URL:       https://git.openjdk.java.net/mobile/commit/4ad3d82c

8232167: Visual Studio install found through --with-tools-dir value is discarded

Reviewed-by: erikj, ihse

! make/autoconf/toolchain_windows.m4