Move log tag definition from Android.bp to cpp file.

Test: mma in tests directory
Bug: None

Change-Id: I72ced837614e84b80f111b41712a7f10b49dff3a
diff --git a/libs/vr/libdvr/tests/Android.bp b/libs/vr/libdvr/tests/Android.bp
index 8c81e8d..ac20760 100644
--- a/libs/vr/libdvr/tests/Android.bp
+++ b/libs/vr/libdvr/tests/Android.bp
@@ -67,7 +67,6 @@
         "libnativewindow",
     ],
     cflags: [
-        "-DLOG_TAG=\"dvr_buffer_queue-test\"",
         "-DTRACE=0",
         "-O0",
         "-g",
diff --git a/libs/vr/libdvr/tests/dvr_buffer_queue-test.cpp b/libs/vr/libdvr/tests/dvr_buffer_queue-test.cpp
index ff0588c..adf6977 100644
--- a/libs/vr/libdvr/tests/dvr_buffer_queue-test.cpp
+++ b/libs/vr/libdvr/tests/dvr_buffer_queue-test.cpp
@@ -10,6 +10,8 @@
 #include <array>
 #include <unordered_map>
 
+#define LOG_TAG "dvr_buffer_queue-test"
+
 #ifndef ALOGD
 #define ALOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
 #endif