Cleanup LOG_TAG when bundled in HWUI

Bug: 137655431
Test: CtsUiRenderingTestCases
Change-Id: If0f1377e0ab831f38d752c3bbe282397c061b02c
diff --git a/libs/hwui/jni/Graphics.cpp b/libs/hwui/jni/Graphics.cpp
index 38fb8bd..3795864 100644
--- a/libs/hwui/jni/Graphics.cpp
+++ b/libs/hwui/jni/Graphics.cpp
@@ -1,3 +1,4 @@
+#undef LOG_TAG
 #define LOG_TAG "GraphicsJNI"
 
 #include <unistd.h>