The test failed when one of the three cameras was configured with a maximum android.scaler.availableStreamConfiguration size of 1600*1200
am: 6f6fe9a5e2

Change-Id: I037a4eb21f0eee79acf78f15a1cd5bb9fef5da7b
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 233c5d2..22b7382 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -2896,6 +2896,8 @@
             continue;
         }
 
+        outputPreviewStreams.clear();
+
         ASSERT_EQ(Status::OK, getAvailableOutputStreams(staticMetaBuffer, outputPreviewStreams,
                 &previewThreshold));
         ASSERT_NE(0u, outputPreviewStreams.size());