Cleanup LOG_TAG when bundled in HWUI

Bug: 137655431
Test: CtsUiRenderingTestCases
Change-Id: If0f1377e0ab831f38d752c3bbe282397c061b02c
diff --git a/libs/hwui/jni/NinePatch.cpp b/libs/hwui/jni/NinePatch.cpp
index 15f9516..9886155 100644
--- a/libs/hwui/jni/NinePatch.cpp
+++ b/libs/hwui/jni/NinePatch.cpp
@@ -15,6 +15,7 @@
 ** limitations under the License.
 */
 
+#undef LOG_TAG
 #define LOG_TAG "9patch"
 #define LOG_NDEBUG 1