[packages] Delete packages/benchmarks

Also, add groups to the root BUILD.gn that will be referenced by
fuchsia.git.

Change-Id: I11d25b3ecbedbb74e5c0b37b16fa2771407a0d46
diff --git a/BUILD.gn b/BUILD.gn
index 702d4da..aac9ce0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2,6 +2,20 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+group("topaz") {
+  testonly = true
+  public_deps = [
+    "//topaz/packages:kitchen_sink",
+  ]
+}
+
+group("tests") {
+  testonly = true
+  public_deps = [
+    "//topaz/packages/tests:all",
+  ]
+}
+
 group("dart_unittests") {
   testonly = true
 
diff --git a/packages/BUILD.gn b/packages/BUILD.gn
index 80325e6..748ef9e 100644
--- a/packages/BUILD.gn
+++ b/packages/BUILD.gn
@@ -5,7 +5,8 @@
 group("all") {
   testonly = true
   public_deps = [
-    "//topaz/packages/benchmarks:all",
+    "//garnet/packages/benchmarks:buildbot",
+    "//topaz/tests/benchmarks:all",
     "//topaz/packages/examples:all",
     "//topaz/packages/prod:all",
     "//topaz/packages/sdk:all",
diff --git a/packages/benchmarks/BUILD.gn b/packages/benchmarks/BUILD.gn
deleted file mode 100644
index 141cf13..0000000
--- a/packages/benchmarks/BUILD.gn
+++ /dev/null
@@ -1,18 +0,0 @@
-# Copyright 2019 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-group("all") {
-  testonly = true
-  public_deps = [
-    "//topaz/packages/benchmarks:topaz",
-  ]
-}
-
-group("topaz") {
-  testonly = true
-  public_deps = [
-    "//garnet/packages/benchmarks:buildbot",
-    "//topaz/tests/benchmarks:all",
-  ]
-}
diff --git a/tests/benchmarks/dart_inspect/README.md b/tests/benchmarks/dart_inspect/README.md
index eb98f1f..8148a97 100644
--- a/tests/benchmarks/dart_inspect/README.md
+++ b/tests/benchmarks/dart_inspect/README.md
@@ -31,10 +31,11 @@
 )
 PACKAGES=(
   //garnet/bin/ui/tests/performance/vulkan_is_supported
+  //garnet/packages/benchmarks:buildbot
   //garnet/packages/products:devtools
-  //topaz/packages/benchmarks:all
   //topaz/packages:buildbot
   //topaz/tests/benchmarks:all
+  //topaz/tests/benchmarks:all
   //topaz/tests/benchmarks/dart_inspect:dart_inspect_benchmarks
 )
 PUSH_PACKAGES="${PUSH_PACKAGES:-}"