[Android] Convert to DeviceUtils versions of IsOnline, HasRoot, and EnableRoot.

build/android/pylib/valgrind_tools.py

Index: build/android/pylib/valgrind_tools.py
diff --git a/build/android/pylib/valgrind_tools.py b/build/android/pylib/valgrind_tools.py
index 22ac39b4ba2247a76e25e93fdfcde3dcbba4185d..e6573b4df96ca244f994d0d40e16d7255c71b8ff 100644
--- a/build/android/pylib/valgrind_tools.py
+++ b/build/android/pylib/valgrind_tools.py
@@ -28,6 +28,7 @@ import subprocess
 import sys
 
 from pylib.constants import DIR_SOURCE_ROOT
+from pylib.device import device_errors
 
 
 def SetChromeTimeoutScale(device, scale):
@@ -132,7 +133,11 @@ class AddressSanitizerTool(BaseTool):
     return self.GetTestWrapper()
 
   def SetupEnvironment(self):
-    self._device.old_interface.EnableAdbRoot()
+    try:
+      self._device.EnableRoot()
+    except device_errors.CommandFailedError:
+      # Try to set the timeout scale anyway.
+      pass
     SetChromeTimeoutScale(self._device, self.GetTimeoutScale())
 
   def CleanUpEnvironment(self):