Change webapk packages and directory structure

web_apks/minting_example/javatests/canary_lib/BUILD.gn

Index: web_apks/minting_example/javatests/canary_lib/BUILD.gn
diff --git a/web_apks/minting_example/javatests/canary_lib/BUILD.gn b/web_apks/minting_example/javatests/canary_lib/BUILD.gn
deleted file mode 100644
index 7bb801c91024dcec8c61ab238044156509713c84..0000000000000000000000000000000000000000
--- a/web_apks/minting_example/javatests/canary_lib/BUILD.gn
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright 2016 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//build/config/android/rules.gni")
-
-android_library("canary_lib") {
-  dex_path = "$target_gen_dir/canary.dex"
-  java_files = [ "src/org/chromium/minting/test/canary/Canary.java" ]
-}
-
-android_assets("canary_dex_asset") {
-  sources = [
-    "$target_gen_dir/canary.dex",
-  ]
-  disable_compression = true
-  deps = [
-    ":canary_lib",
-  ]
-}