Improve error logging for parsing failures

Bug: 27043594
Change-Id: I901b65f734c49444a78e0714e007e15e2340ab9d
diff --git a/libs/hwui/PathParser.h b/libs/hwui/PathParser.h
index c4bbb74..180a7a3 100644
--- a/libs/hwui/PathParser.h
+++ b/libs/hwui/PathParser.h
@@ -44,6 +44,7 @@
     ANDROID_API static void getPathDataFromString(PathData* outData, ParseResult* result,
             const char* pathStr, size_t strLength);
     static void dump(const PathData& data);
+    static bool isVerbValid(char verb);
 };
 
 }; // namespace uirenderer