Migrate system/core/adb to packages/modules/adb

Adding new path to visibility rule, as b/170958306 prevents adding
new changes to a project being introduced in the same topic.  We need to
do this ahead of the migration and then cleanup after the migration is
complete.

BUG: 167963357
Test: TH
Change-Id: Id02e4ea3a6d387bad7b2dbd5d0a38f662d0254fc
diff --git a/adb/proto/Android.bp b/adb/proto/Android.bp
index 086d10e..ef97208 100644
--- a/adb/proto/Android.bp
+++ b/adb/proto/Android.bp
@@ -40,6 +40,7 @@
     },
 
     visibility: [
+        "//packages/modules/adb:__subpackages__",
         "//system/core/adb:__subpackages__",
 
         // This needs to be visible to minadbd, even though it's removed via exclude_shared_libs.
@@ -94,6 +95,7 @@
     },
 
     visibility: [
+        "//packages/modules/adb:__subpackages__",
         "//system/core/adb:__subpackages__",
 
         // This needs to be visible to minadbd, even though it's removed via exclude_shared_libs.