Make this a proper python package.

Python is picky about directory structure. Ever since python 3 the tests
have not been able to run because the import won't work. This fixes that
problem.

Bug: None
Test: None
Change-Id: I4a626f130e4ca3cd2c9b69804083dfe6daffb5f7

python-packages/adb/__init__.py

@@ -1,17 +0,0 @@
-#
-# Copyright (C) 2015 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-from __future__ import absolute_import
-from .device import *  # pylint: disable=wildcard-import

python-packages/adb/setup.py

@@ -22,7 +22,6 @@ setup(
     description='A Python interface to the Android Debug Bridge.',
     license='Apache 2.0',
     keywords='adb android',
-    package_dir={'adb': ''},
     packages=['adb'],
     package_data={'adb': ['py.typed']},
     classifiers=[