Fix SF security vulnerability: 32706020 am: d073eb7a3f
am: 230b943c6b

Change-Id: I439ff370c0a353bb9a0adc14a39aedd1ec5a783d
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 87e5b4d..c6851c8 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -1091,6 +1091,7 @@
 
 String8 BufferQueueProducer::getConsumerName() const {
     ATRACE_CALL();
+    Mutex::Autolock lock(mCore->mMutex);
     BQ_LOGV("getConsumerName: %s", mConsumerName.string());
     return mConsumerName;
 }