Merge "Camera: Check consumer interface before disconnecting"

am: aa59be48d4

Change-Id: I2c1b1878b8ca56bcce5a977afec2170a62a738a0

services/camera/libcameraservice/device3/Camera3StreamSplitter.cpp

@@ -139,7 +139,9 @@ void Camera3StreamSplitter::disconnect() {
     mOutputSlots.clear();
     mConsumerBufferCount.clear();
 
-    mConsumer->consumerDisconnect();
+    if (mConsumer.get() != nullptr) {
+        mConsumer->consumerDisconnect();
+    }
 
     if (mBuffers.size() > 0) {
         SP_LOGW("%zu buffers still being tracked", mBuffers.size());