libgui: use flag MACRO for BQ_SETFRAMERATE

Bug: 281695725
Test: presubmit
Change-Id: I644dadbfc72cd50d80c50d36da96078253bbc009
diff --git a/libs/gui/tests/Android.bp b/libs/gui/tests/Android.bp
index 38c0eed..6dcd501 100644
--- a/libs/gui/tests/Android.bp
+++ b/libs/gui/tests/Android.bp
@@ -21,7 +21,7 @@
         "-Wall",
         "-Werror",
         "-Wno-extra",
-        "-DFLAG_BQ_SET_FRAME_RATE=true",
+        "-DCOM_ANDROID_GRAPHICS_LIBGUI_FLAGS_BQ_SETFRAMERATE=true",
     ],
 
     srcs: [