Added in simple command scripting to monkey over a TCP socket.

This allows a host program to talk to the monkey over TCP (via adb) and script up specific commands to run.
diff --git a/cmds/monkey/README.NETWORK.txt b/cmds/monkey/README.NETWORK.txt
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+MONKEY NETWORK SCRIPT
+
+The Monkey Network Script was designed to be a low-level way to
+programmability inject KeyEvents and MotionEvents into the input
+system.  The idea is that a process will run on a host computer that
+will support higher-level operations (like conditionals, etc.) and
+will talk (via TCP over ADB) to the device in Monkey Network Script.
+For security reasons, the Monkey only binds to localhost, so you will
+need to use adb to setup port forwarding to actually talk to the
+device.
+
+INITIAL SETUP
+
+Setup port forwarding from a local port on your machine to a port on
+the device:
+
+$ adb forward tcp:1080 tcp:1080
+
+Start the monkey server
+
+$ adb shell monkey --port 1080
+
+Now you're ready to run commands
+
+COMMAND LIST
+
+Individual commands are separated by newlines.  The Monkey will
+respond to every command with a line starting with OK for commands
+that executed without a problem, or a line starting with ERROR for
+commands that had problems being run.  The Monkey may decide to return
+more information about command execution.  That information would come
+on the same line after the OK or ERROR.  A possible example:
+
+key down menu
+OK
+touch monkey
+ERROR: monkey not a number
+
+The complete list of commands follows:
+
+key [down|up] keycode
+
+This command injects KeyEvent's into the input system.  The keycode
+parameter refers to the KEYCODE list in the KeyEvent class
+(http://developer.android.com/reference/android/view/KeyEvent.html).
+The format of that parameter is quite flexible.  Using the menu key as
+an example, it can be 82 (the integer value of the keycode),
+KEYCODE_MENU (the name of the keycode), or just menu (and the Monkey
+will add the KEYCODE part).  Do note that this last part doesn't work
+for things like KEYCODE_1 for obvious reasons.
+
+Note that sending a full button press requires sending both the down
+and the up event for that key
+
+touch [down|up|move] x y
+
+This command injects a MotionEvent into the input system that
+simulates a user touching the touchscreen (or a pointer event).  x and
+y specify coordinates on the display (0 0 being the upper left) for
+the touch event to happen.  Just like key events, touch events at a
+single location require both a down and an up.  To simulate dragging,
+send a "touch down", then a series of "touch move" events (to simulate
+the drag), followed by a "touch up" at the final location.
+
+trackball dx dy
+
+This command injects a MotionEvent into the input system that
+simulates a user using the trackball. dx and dy indicates the amount
+of change in the trackball location (as opposed to exact coordinates
+that the touch events use)
+
+flip [open|close]
+
+This simulates the opening or closing the keyboard (like on dream).
+
+OTHER NOTES
+
+There are some convenience features added to allow running without
+needing a host process.
+
+Lines starting with a # character are considered comments.  The Monkey
+eats them and returns no indication that it did anything (no ERROR and
+no OK).
+
+You can put the Monkey to sleep by using the "sleep" command with a
+single argument, how many ms to sleep.