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 341281f5c558cb55b40d8dcad1561f773a2d69b8..3f25b653dc152707374b7e4a25be782ccf56a7f3 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()