ProCameraTests: Minor add grey/frame count debug-only print outs

Change-Id: I0f7b7f3c083a644e9bb0c2302244a5ad434e96a8
diff --git a/camera/tests/ProCameraTests.cpp b/camera/tests/ProCameraTests.cpp
index 71813ae..ecc0854 100644
--- a/camera/tests/ProCameraTests.cpp
+++ b/camera/tests/ProCameraTests.cpp
@@ -1015,6 +1015,9 @@
     ASSERT_NO_FATAL_FAILURE(createSubmitRequestForStreams(streams, /*count*/2,
                                                     /*requests*/REQUEST_COUNT));
 
+    int depthFrames = 0;
+    int greyFrames = 0;
+
     // Consume two frames simultaneously. Unsynchronized by timestamps.
     for (int i = 0; i < REQUEST_COUNT; ++i) {
 
@@ -1041,6 +1044,8 @@
 
         EXPECT_OK(depthConsumer->unlockBuffer(depthBuffer));
 
+        depthFrames++;
+
 
         /** Consume Greyscale frames if there are any.
           * There may not be since it runs at half FPS */
@@ -1053,9 +1058,14 @@
                 ", timestamp = " << greyBuffer.timestamp << std::endl;
 
             EXPECT_OK(consumer->unlockBuffer(greyBuffer));
+
+            greyFrames++;
         }
     }
 
+    dout << "Done, summary: depth frames " << std::dec << depthFrames
+         << ", grey frames " << std::dec << greyFrames << std::endl;
+
     // Done: clean up
     EXPECT_OK(mCamera->deleteStream(streamId));
     EXPECT_OK(mCamera->exclusiveUnlock());