Revert of [Android] Remove adb_commands from telemetry.

build/android/pylib/device/device_utils.py

 # Copyright 2014 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.
 
 """Provides a variety of device interactions based on adb.
 
 Eventually, this will be based on adb_wrapper.
 """
 # pylint: disable=unused-argument
 
@@ skipping 1364 matching lines @@
     if property_name in self._cache:
       del self._cache[property_name]
     # TODO(perezju) remove the option and make the check mandatory, but using a
     # single shell script to both set- and getprop.
     if check and value != self.GetProp(property_name):
       raise device_errors.CommandFailedError(
           'Unable to set property %r on the device to %r'
           % (property_name, value), str(self))
 
   @decorators.WithTimeoutAndRetriesFromInstance()
+  def GetABI(self, timeout=None, retries=None):
+    """Gets the device main ABI.
+
+    Args:
+      timeout: timeout in seconds
+      retries: number of retries
+
+    Returns:
+      The device's main ABI name.
+
+    Raises:
+      CommandTimeoutError on timeout.
+    """
+    return self.GetProp('ro.product.cpu.abi')
+
+  @decorators.WithTimeoutAndRetriesFromInstance()
   def GetPids(self, process_name, timeout=None, retries=None):
     """Returns the PIDs of processes with the given name.
 
     Note that the |process_name| is often the package name.
 
     Args:
       process_name: A string containing the process name to get the PIDs for.
       timeout: timeout in seconds
       retries: number of retries
 
@@ skipping 168 matching lines @@
     blacklist = device_blacklist.ReadBlacklist()
     def blacklisted(adb):
       if adb.GetDeviceSerial() in blacklist:
         logging.warning('Device %s is blacklisted.', adb.GetDeviceSerial())
         return True
       return False
 
     return [cls(adb) for adb in adb_wrapper.AdbWrapper.Devices()
             if not blacklisted(adb)]