Only modify abort behavior to avoid debugger dialog on windows for bot builds.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1752973003

Review URL: https://codereview.chromium.org/1752973003

gyp/common_conditions.gypi

@@ -12,6 +12,9 @@
     'SK_FORCE_DISTANCE_FIELD_TEXT=<(skia_force_distance_field_text)',
   ],
   'conditions' : [
+    [ 'skia_is_bot', {
+      'defines': [ 'SK_IS_BOT' ],
+    }],
     [ 'skia_codec_decodes_raw', {
       'defines': [
         'SK_CODEC_DECODES_RAW',

src/ports/SkMemory_malloc.cpp

@@ -27,7 +27,7 @@ static inline void* throw_on_failure(size_t size, void* p) {
 }
 
 void sk_abort_no_print() {
-#ifdef SK_BUILD_FOR_WIN
+#if defined(SK_BUILD_FOR_WIN) && defined(SK_IS_BOT)
     // do not display a system dialog before aborting the process
     _set_abort_behavior(0, _WRITE_ABORT_MSG);
 #endif