Setting up Blob detector and viewer code in y2022

Includes viewer with SIFT code stripped out, since we're not using it
in y2022.

Change-Id: Id56e9e5c868a1d730dcfb433d5e4868898a6f011
Signed-off-by: Jim Ostrowski <yimmy13@gmail.com>
diff --git a/y2020/vision/BUILD b/y2020/vision/BUILD
index d94de5a..330848a 100644
--- a/y2020/vision/BUILD
+++ b/y2020/vision/BUILD
@@ -5,7 +5,7 @@
     srcs = ["vision.fbs"],
     gen_reflections = 1,
     target_compatible_with = ["@platforms//os:linux"],
-    visibility = ["//y2020:__subpackages__"],
+    visibility = ["//y2020:__subpackages__"] + ["//y2022:__subpackages__"],
 )
 
 flatbuffer_cc_library(
@@ -61,7 +61,7 @@
         "//y2020:config",
     ],
     target_compatible_with = ["@platforms//os:linux"],
-    visibility = ["//y2020:__subpackages__"],
+    visibility = ["//y2020:__subpackages__"] + ["//y2022:__subpackages__"],
     deps = [
         ":v4l2_reader",
         ":vision_fbs",