Moving v4l2_reader into frc971/vision.  Fixing dependencies

Change-Id: I25e821b7fb77a6c183dfeb697b81c771cd5d2339
Signed-off-by: Jim Ostrowski <yimmy13@gmail.com>
diff --git a/y2020/www/BUILD b/y2020/www/BUILD
index 27c0392..8467994 100644
--- a/y2020/www/BUILD
+++ b/y2020/www/BUILD
@@ -15,7 +15,7 @@
         "//aos/network:connect_ts_fbs",
         "//aos/network:web_proxy_ts_fbs",
         "//aos/network/www:proxy",
-        "//y2020/vision:vision_ts_fbs",
+        "//frc971/vision:vision_ts_fbs",
         "//y2020/vision/sift:sift_ts_fbs",
         "@com_github_google_flatbuffers//ts:flatbuffers_ts",
     ],