Fixed bug caused by batching responses in the ImageLoader

If the first call to batchResponse passes a VolleyError,
then all responses from that batch would show an error even
if some of them succeeded. This fixes the bug by setting the
error per BatchedImageRequest rather than for the batch.

Change-Id: I2543d2d6f4154c33ba072d7f97aee9dc67f3300e
Signed-off-by: Cameron Ketcham <cketcham@gmail.com>
1 file changed