Fix GOOGLE3 Android build.

include/core/SkPostConfig.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // IWYU pragma: private, include "SkTypes.h"
 
 #ifndef SkPostConfig_DEFINED
@@ skipping 129 matching lines @@
 #
 #  ifndef SK_A32_SHIFT
 #    define SK_A32_SHIFT 24
 #    define SK_R32_SHIFT 16
 #    define SK_G32_SHIFT 8
 #    define SK_B32_SHIFT 0
 #  endif
 #
 #endif
 
+#if defined(GOOGLE3)
+    // Used as argument to DumpStackTrace in SK_ALWAYSBREAK.
+    void SkDebugfForDumpStackTrace(const char* data, void* unused);
+#endif
+
 #ifndef SK_ALWAYSBREAK
 #  if defined(GOOGLE3)
-     void DebugWriteToStderr(const char*, void*);
      void DumpStackTrace(int skip_count, void w(const char*, void*),
                          void* arg);
 #    define SK_ALWAYSBREAK(cond) do { \
               if (cond) break; \
               SkNO_RETURN_HINT(); \
               SkDebugf("%s:%d: failed assertion \"%s\"\n", __FILE__, __LINE__, #cond); \
-              DumpStackTrace(0, DebugWriteToStderr, nullptr); \
+              DumpStackTrace(0, SkDebugfForDumpStackTrace, nullptr); \
               SK_CRASH(); \
         } while (false)
 #  elif defined(SK_DEBUG)
 #    define SK_ALWAYSBREAK(cond) do { \
               if (cond) break; \
               SkNO_RETURN_HINT(); \
               SkDebugf("%s:%d: failed assertion \"%s\"\n", __FILE__, __LINE__, #cond); \
               SK_CRASH(); \
         } while (false)
 #  else
@@ skipping 193 matching lines @@
 #  define SK_GAMMA_EXPONENT (2.2f)
 #endif
 
 //////////////////////////////////////////////////////////////////////
 
 #ifndef GR_TEST_UTILS
 #  define GR_TEST_UTILS 1
 #endif
 
 #endif // SkPostConfig_DEFINED