Revert "enable ALLOW_DEQUEUE_CURRENT_BUFFER for tegra devices"

This reverts commit e7758be6da85728df6b4215f413660c67c5a9740.

Seemed to cause failures un SurfaceTexture.

Bug: 5627450
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 374f3c5..6f84206 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -36,12 +36,8 @@
 #include <utils/Log.h>
 #include <utils/String8.h>
 
-#ifdef ALLOW_DEQUEUE_CURRENT_BUFFER
-#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER    true
-#warning "ALLOW_DEQUEUE_CURRENT_BUFFER enabled"
-#else
-#define FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER    false
-#endif
+
+#define ALLOW_DEQUEUE_CURRENT_BUFFER    false
 
 // Macros for including the SurfaceTexture name in log messages
 #define ST_LOGV(x, ...) LOGV("[%s] "x, mName.string(), ##__VA_ARGS__)
@@ -327,7 +323,7 @@
             LOGW_IF((state == BufferSlot::FREE) && (mCurrentTexture==i),
                     "dequeueBuffer: buffer %d is both FREE and current!", i);
 
-            if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) {
+            if (ALLOW_DEQUEUE_CURRENT_BUFFER) {
                 if (state == BufferSlot::FREE || i == mCurrentTexture) {
                     foundSync = i;
                     if (i != mCurrentTexture) {