Revert "Revert "Modify EGL to disconnect the window when the surface gets destroyed.""

This reverts commit 6e1a2fea67006b58e83ebbcc72f7b12f18c49d15.

Driver level issues fixed by an updated graphics driver.

Bug: 21266976
Change-Id: I93339fb6c6bab988f3550adb49ef8e70cda6473e
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 38fb757..87e5b4d 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -922,8 +922,8 @@
                     mCore->mSidebandStream.clear();
                     mCore->mDequeueCondition.broadcast();
                     listener = mCore->mConsumerListener;
-                } else {
-                    BQ_LOGE("disconnect(P): connected to another API "
+                } else if (mCore->mConnectedApi != BufferQueueCore::NO_CONNECTED_API) {
+                    BQ_LOGE("disconnect(P): still connected to another API "
                             "(cur=%d req=%d)", mCore->mConnectedApi, api);
                     status = BAD_VALUE;
                 }