Shorten android_ndk_windows to n to save some precious path budget.

We're going above 260 as-is.
If this doesn't work... hopefully we don't need any of the long-named files.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4316

Change-Id: I3074c28adfbd4fccb5230eaacf2d6f0c4980bbbe
Reviewed-on: https://skia-review.googlesource.com/4316
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Eric Boren <borenet@google.com>
4 files changed