gather_48() regressed 32-bit ARM builds

It's kind of a wash on 32-bit x86 builds, but it was a very significant
regression on 32-bit ARM builds.  We can just use the old strategy there.

Change-Id: Id544045657be084460c87708a007ea24cf0ab09c
Reviewed-on: https://skia-review.googlesource.com/118221
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed