display: Standardize log-tags for qcom display logs.

Change-Id: I75bc2d8db8d64994097d6b744f357c29c9a5717a
diff --git a/liboverlay/Android.mk b/liboverlay/Android.mk
index 39244fd..82c6610 100644
--- a/liboverlay/Android.mk
+++ b/liboverlay/Android.mk
@@ -1,12 +1,13 @@
 LOCAL_PATH := $(call my-dir)
 include $(LOCAL_PATH)/../common.mk
 include $(CLEAR_VARS)
+
 LOCAL_MODULE                  := liboverlay
 LOCAL_MODULE_PATH             := $(TARGET_OUT_SHARED_LIBRARIES)
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
 LOCAL_SHARED_LIBRARIES        := $(common_libs) libqdutils libmemalloc
-LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"overlay\"
+LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdoverlay\"
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
 LOCAL_SRC_FILES := \
       overlay.cpp \