libgui: use flag MACRO for BQ_SETFRAMERATE

Bug: 281695725
Test: presubmit
Change-Id: I644dadbfc72cd50d80c50d36da96078253bbc009
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index ab0f6d2..b0f6e69 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -22,7 +22,6 @@
 #include <gui/BufferQueueConsumer.h>
 #include <gui/BufferQueueCore.h>
 #include <gui/BufferQueueProducer.h>
-#include <gui/Flags.h>
 
 namespace android {
 
@@ -99,7 +98,7 @@
     }
 }
 
-#if FLAG_BQ_SET_FRAME_RATE
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_SETFRAMERATE)
 void BufferQueue::ProxyConsumerListener::onSetFrameRate(float frameRate, int8_t compatibility,
                                                         int8_t changeFrameRateStrategy) {
     sp<ConsumerListener> listener(mConsumerListener.promote());