Upgrade halide to a 2022 version

This has better aarch64 support, among other things.

Change-Id: I87076f7ab52c9d0e422a09921b4225aa6d08c62e
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/debian/halide.BUILD b/debian/halide.BUILD
index 972df97..a38d910 100644
--- a/debian/halide.BUILD
+++ b/debian/halide.BUILD
@@ -8,7 +8,7 @@
 
 cc_library(
     name = "gengen",
-    srcs = ["tools/GenGen.cpp"],
+    srcs = ["share/Halide/tools/GenGen.cpp"],
     visibility = ["//visibility:public"],
     deps = [
         ":halide",
@@ -29,7 +29,7 @@
     name = "build_files",
     srcs = [
         "lib/libHalide.a",
-        "tools/GenGen.cpp",
+        "share/Halide/tools/GenGen.cpp",
     ] + glob(["include/*.h"]),
     visibility = ["//visibility:public"],
 )