add flag to stage skia api change

BUG=
TBR=fmalita@chromium.org

Review URL: https://codereview.chromium.org/1019653002

Cr-Commit-Position: refs/heads/master@{#321268}

skia/config/SkUserConfig.h

@@ -261,6 +261,10 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #   define SK_IGNORE_ETC1_SUPPORT
 #endif
 
+#ifndef    SK_SUPPORT_LEGACY_BOOL_ONGETINFO
+#   define SK_SUPPORT_LEGACY_BOOL_ONGETINFO
+#endif
+
 #ifndef    SK_IGNORE_GPU_DITHER
 #   define SK_IGNORE_GPU_DITHER
 #endif