Add option to send reboot command and not wait for device.

adb/contrib/high.py

Index: adb/contrib/high.py
diff --git a/adb/contrib/high.py b/adb/contrib/high.py
index 2bfdd2863b097bb09ac07ec4754a404a822d0bd9..10f9adbf93e64c6c394d3743ac9b814ac2b2d75e 100644
--- a/adb/contrib/high.py
+++ b/adb/contrib/high.py
@@ -432,15 +432,18 @@ class HighDevice(object):
   def PushContent(self, *args, **kwargs):
     return self._device.PushContent(*args, **kwargs)
 
-  def Reboot(self):
+  def Reboot(self, wait=True):
     """Reboots the phone then Waits for the device to come back.
 
     adbd running on the phone will likely not be in Root(), so the caller should
     call Root() right afterward if desired.
     """
-    if not self._device.Reboot():
+    if not self._device.Reboot(wait=wait):
       return False
-    return self.WaitUntilFullyBooted()
+    return self.WaitUntilFullyBooted() if wait else True
+
+  def Reset(self, new_endpoint=None):
+    self._device.ResetHandle(new_endpoint=new_endpoint)
 
   def Remount(self):
     return self._device.Remount()