android: Add a cipd.yaml to make avd.py a separate a CIPD package

This could enable users to use avd.py script via CIPD, rather than checking out
the entire chromium source.

Bug: 1112429
Change-Id: Ie4693191da4a2ddcb21930af8886b7ec5b54ba72
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2334685Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Haiyang Pan <hypan@google.com>
Cr-Commit-Position: refs/heads/master@{#794666}

tools/android/avd/cipd.yaml

+# Copyright 2020 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.
+
+# Following these steps to create/update the CIPD package:
+# 1. Checkout origin/master of chromium/src and pull the latest revision.
+# 2. Get the latest commit hash.
+# 3. Run `gclient sync` to make sure catapult is up to date.
+# 4. Run the following command to create CIPD package:
+#    $ cipd create --pkg-def cipd.yaml -tag src_version:<latest commit hash>
+package: chromium/tools/android/avd
+description: One single package for running `tools/android/avd/avd.py`
+root: ../../../../
+data:
+  - file: src/.vpython
+  - dir: src/build/android
+  - dir: src/tools/android/avd
+  - dir: src/third_party/android_sdk/public/cmdline-tools
+  - dir: src/third_party/android_sdk/public/platform-tools
+  - dir: src/third_party/catapult/common/py_utils/py_utils
+  - dir: src/third_party/catapult/dependency_manager/dependency_manager
+  - dir: src/third_party/catapult/devil/devil
+  - dir: src/third_party/catapult/third_party/zipfile