DO NOT MERGE: SF: fix SurfaceFlinger freeze am: 3ca95a0e08

Change-Id: I6f19ca36d1d1330ff2ed1430f941133aab4cda82
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index cbb9d65..af5fe62 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -462,6 +462,7 @@
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
                 ALOGE("[%s] Timed out waiting on callback", mName.string());
+                break;
             }
         }
 
@@ -496,6 +497,7 @@
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
                 ALOGE("[%s] Timed out waiting on callback", mName.string());
+                break;
             }
         }