Enable RAW codec for Windows

BUG=skia:4890 b/26973157
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1853093002

Review URL: https://codereview.chromium.org/1853093002
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index 772c44b..7275de2 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -53,19 +53,15 @@
         'skia_os%': '<(skia_os)',
         'vulkan_merged_into_skia': '1',
         'skia_android_framework%': 0,
+        # RAW codec needs exceptions. Due to that, it is a separate target. Its usage can be
+        # controlled by skia_codec_decodes_raw.
+        'skia_codec_decodes_raw%' : 1,
         'conditions' : [
           [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "mac"]', {
             'skia_arch_type%': 'x86_64',
           }, {
             'skia_arch_type%': 'x86',
           }],
-          # RAW codec needs exceptions. Due to that, it is a separate target. Its usage can be
-          # controlled by skia_codec_decodes_raw.
-          ['skia_os == "win"', {
-            'skia_codec_decodes_raw%' : 0,
-          }, {
-            'skia_codec_decodes_raw%' : 1,
-          }],
         ],
         'arm_version%': 0,
         'arm_neon%': 0,