[Telemetry] Combine SysfsPlatformBackend into LinuxBasedPlatformBackend.

tools/telemetry/telemetry/core/platform/android_sysfs_platform.py

Index: tools/telemetry/telemetry/core/platform/android_sysfs_platform.py
diff --git a/tools/telemetry/telemetry/core/platform/android_sysfs_platform.py b/tools/telemetry/telemetry/core/platform/android_sysfs_platform.py
deleted file mode 100644
index 942208739e9af5d598bfb34f89e3c4633eceb59e..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/platform/android_sysfs_platform.py
+++ /dev/null
@@ -1,43 +0,0 @@
-# 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.
-
-from telemetry.core.platform import sysfs_platform
-
-
-class AndroidSysfsPlatform(sysfs_platform.SysfsPlatform):
-  """A SysfsPlatform implementation to be used for Android devices."""
-  def __init__(self, device):
-    """Constructor.
-
-    Args:
-        device: Android device to monitor.
-    """
-    super(AndroidSysfsPlatform, self).__init__()
-    self._device = device
-
-  def RunShellCommand(self, command):
-    return '\n'.join(self._device.RunShellCommand(command))
-
-  @staticmethod
-  def ParseStateSample(sample):
-    sample_stats = {}
-    for cpu in sample:
-      values = sample[cpu].splitlines()
-      # Each state has three values after excluding the time value.
-      num_states = (len(values) - 1) / 3
-      names = values[:num_states]
-      times = values[num_states:2 * num_states]
-      cstates = {'C0': int(values[-1]) * 10 ** 6}
-      for i, state in enumerate(names):
-        if state == 'C0':
-          # The Exynos cpuidle driver for the Nexus 10 uses the name 'C0' for
-          # its WFI state.
-          # TODO(tmandel): We should verify that no other Android device
-          # actually reports time in C0 causing this to report active time as
-          # idle time.
-          state = 'WFI'
-        cstates[state] = int(times[i])
-        cstates['C0'] -= int(times[i])
-      sample_stats[cpu] = cstates
-    return sample_stats