update G3 build after crrev.com/2500113004

crrev.com/2500113004 removed SkBitmapProcState_opts_arm.cpp.
ARM targets now use SkBitmapProcState_opts_none.cpp, so stop filtering it out.

(See the gn/opts.gni change.)

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4996

Change-Id: Ib46ac5d9e908e8043aaec1f462672d9f9710431d
Reviewed-on: https://skia-review.googlesource.com/4996
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
diff --git a/public.bzl b/public.bzl
index bf4137c..55f40f8 100644
--- a/public.bzl
+++ b/public.bzl
@@ -213,7 +213,6 @@
         "src/opts/*sse4*",
         "src/opts/*avx*",
         "src/opts/*x86*",
-        "src/opts/SkBitmapProcState_opts_none.cpp",
         "src/opts/SkBlitMask_opts_none.cpp",
         "src/opts/SkBlitRow_opts_none.cpp",
         "src/ports/*CG*",
@@ -265,7 +264,6 @@
         "src/opts/*sse4*",
         "src/opts/*avx*",
         "src/opts/*x86*",
-        "src/opts/SkBitmapProcState_opts_none.cpp",
         "src/opts/SkBlitMask_opts_arm*.cpp",
         "src/opts/SkBlitRow_opts_arm*.cpp",
         "src/ports/*CG*",