Rename single buffer mode to shared buffer mode

Change-Id: Id43d0737d9367981644e498942ebc0077d61038c
diff --git a/include/gui/BufferQueueProducer.h b/include/gui/BufferQueueProducer.h
index 312f323..691487d 100644
--- a/include/gui/BufferQueueProducer.h
+++ b/include/gui/BufferQueueProducer.h
@@ -173,8 +173,8 @@
     // See IGraphicBufferProducer::getNextFrameNumber
     virtual uint64_t getNextFrameNumber() const override;
 
-    // See IGraphicBufferProducer::setSingleBufferMode
-    virtual status_t setSingleBufferMode(bool singleBufferMode) override;
+    // See IGraphicBufferProducer::setSharedBufferMode
+    virtual status_t setSharedBufferMode(bool sharedBufferMode) override;
 
     // See IGraphicBufferProducer::setAutoRefresh
     virtual status_t setAutoRefresh(bool autoRefresh) override;