display: Standardize log-tags for qcom display logs.

Change-Id: I75bc2d8db8d64994097d6b744f357c29c9a5717a
diff --git a/libtilerenderer/Android.mk b/libtilerenderer/Android.mk
index af8f25f..ca17fbc 100644
--- a/libtilerenderer/Android.mk
+++ b/libtilerenderer/Android.mk
@@ -5,6 +5,7 @@
 ifeq ($(USE_OPENGL_RENDERER),true)
 LOCAL_MODULE           := libtilerenderer
 LOCAL_MODULE_TAGS      := optional
+LOCAL_CFLAGS           := -DLOG_TAG=\"qdtilerenderer\"
 LOCAL_C_INCLUDES := \
         frameworks/base/include/utils \
         frameworks/base/libs/hwui \
@@ -15,8 +16,8 @@
         external/skia/include/utils \
         hardware/libhardware/include/hardware \
         frameworks/base/opengl/include/GLES2
-
 LOCAL_SHARED_LIBRARIES := $(common_libs) libGLESv2 libhwui
 LOCAL_SRC_FILES        := tilerenderer.cpp
+
 include $(BUILD_SHARED_LIBRARY)
 endif