RFR (XXS): JDK-8016024 Remove solaris path from FillCacheFind

[Tim Bell]

Magnus:

> Bug: https://bugs.openjdk.java.net/browse/JDK-8016024
>
> % cat -n jdk/makefiles/Tools.gmk
>     [...]
>     26 # Cache all finds needed for this file. Only used on windows.
>     27 $(eval $(call FillCacheFind,$(JDK_TOPDIR)/make/tools \
>     28 $(JDK_TOPDIR)/src/solaris/classes \
>     29 $(JDK_TOPDIR)/makefiles/sun))
> but FillCacheFind is Windows only.
>
> Generates spurious warnings in Windows build logs, such as:
> /usr/bin/find: `/cygdrive/c/jdks/jdk8_2d/jdk/src/solaris/classes': No 
> such file or directory
>
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8016024-remove-solaris-path-on-windows/webrev.01

Looks good to me.

/Tim