Revert of [Android] Remove adb_commands from telemetry.

tools/telemetry/telemetry/core/backends/adb_commands.py

Index: tools/telemetry/telemetry/core/backends/adb_commands.py
diff --git a/tools/telemetry/telemetry/core/backends/adb_commands.py b/tools/telemetry/telemetry/core/backends/adb_commands.py
new file mode 100644
index 0000000000000000000000000000000000000000..42eeb43094c668cfcfe6ce9274d1f947734f3dff
--- /dev/null
+++ b/tools/telemetry/telemetry/core/backends/adb_commands.py
@@ -0,0 +1,142 @@
+# Copyright 2013 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.
+
+"""Brings in Chrome Android's android_commands module, which itself is a
+thin(ish) wrapper around adb."""
+
+import logging
+import os
+import shutil
+import stat
+
+from telemetry.core import platform
+from telemetry.core import util
+from telemetry.util import support_binaries
+
+# This is currently a thin wrapper around Chrome Android's
+# build scripts, located in chrome/build/android. This file exists mainly to
+# deal with locating the module.
+
+util.AddDirToPythonPath(util.GetChromiumSrcDir(), 'build', 'android')
+from pylib import android_commands  # pylint: disable=F0401
+from pylib import constants  # pylint: disable=F0401
+try:
+  from pylib import ports  # pylint: disable=F0401
+except Exception:
+  ports = None
+from pylib.device import device_utils  # pylint: disable=F0401
+from pylib.utils import apk_helper  # pylint: disable=F0401
+
+
+def IsAndroidSupported():
+  return device_utils != None
+
+def GetPackageName(apk_path):
+  return apk_helper.GetPackageName(apk_path)
+
+def GetAttachedDevices():
+  """Returns a list of attached, online android devices.
+
+  If a preferred device has been set with ANDROID_SERIAL, it will be first in
+  the returned list."""
+  return android_commands.GetAttachedDevices()
+
+
+def AllocateTestServerPort():
+  return ports.AllocateTestServerPort()
+
+
+def ResetTestServerPortAllocation():
+  return ports.ResetTestServerPortAllocation()
+
+
+class AdbCommands(object):
+  """A thin wrapper around ADB"""
+
+  def __init__(self, device):
+    self._device = device_utils.DeviceUtils(device)
+    self._device_serial = device
+
+  def device_serial(self):
+    return self._device_serial
+
+  def device(self):
+    return self._device
+
+  def __getattr__(self, name):
+    """Delegate all unknown calls to the underlying AndroidCommands object."""
+    return getattr(self._device.old_interface, name)
+
+  def Forward(self, local, remote):
+    self._device.adb.Forward(local, remote)
+
+  def IsUserBuild(self):
+    return self._device.GetProp('ro.build.type') == 'user'
+
+
+def GetBuildTypeOfPath(path):
+  if not path:
+    return None
+  for build_dir, build_type in util.GetBuildDirectories():
+    if os.path.join(build_dir, build_type) in path:
+      return build_type
+  return None
+
+
+def SetupPrebuiltTools(adb):
+  """Some of the android pylib scripts we depend on are lame and expect
+  binaries to be in the out/ directory. So we copy any prebuilt binaries there
+  as a prereq."""
+
+  # TODO(bulach): Build the targets for x86/mips.
+  device_tools = [
+    'file_poller',
+    'forwarder_dist/device_forwarder',
+    'md5sum_dist/md5sum_bin',
+    'purge_ashmem',
+    'run_pie',
+  ]
+
+  host_tools = [
+    'bitmaptools',
+    'md5sum_bin_host',
+  ]
+
+  if platform.GetHostPlatform().GetOSName() == 'linux':
+    host_tools.append('host_forwarder')
+
+  arch_name = adb.device().GetABI()
+  has_device_prebuilt = (arch_name.startswith('armeabi')
+                         or arch_name.startswith('arm64'))
+  if not has_device_prebuilt:
+    logging.warning('Unknown architecture type: %s' % arch_name)
+    return all([support_binaries.FindLocallyBuiltPath(t) for t in device_tools])
+
+  build_type = None
+  for t in device_tools + host_tools:
+    executable = os.path.basename(t)
+    locally_built_path = support_binaries.FindLocallyBuiltPath(t)
+    if not build_type:
+      build_type = GetBuildTypeOfPath(locally_built_path) or 'Release'
+      constants.SetBuildType(build_type)
+    dest = os.path.join(constants.GetOutDirectory(), t)
+    if not locally_built_path:
+      logging.info('Setting up prebuilt %s', dest)
+      if not os.path.exists(os.path.dirname(dest)):
+        os.makedirs(os.path.dirname(dest))
+      platform_name = ('android' if t in device_tools else
+                       platform.GetHostPlatform().GetOSName())
+      bin_arch_name = (arch_name if t in device_tools else
+                       platform.GetHostPlatform().GetArchName())
+      prebuilt_path = support_binaries.FindPath(
+          executable, bin_arch_name, platform_name)
+      if not prebuilt_path or not os.path.exists(prebuilt_path):
+        raise NotImplementedError("""
+%s must be checked into cloud storage.
+Instructions:
+http://www.chromium.org/developers/telemetry/upload_to_cloud_storage
+""" % t)
+      shutil.copyfile(prebuilt_path, dest)
+      os.chmod(dest, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
+  return True