Auto-generate a complete NOTICE file.

Remove the hand-collated ones, and switch to a script that pulls the
copyright headers out of every file and collects the unique ones.

Change-Id: Ied3b98b3f56241df97166c410ff81de4e0157c9d
diff --git a/libthread_db/NOTICE b/libthread_db/NOTICE
index 3831b34..5487df6 100644
--- a/libthread_db/NOTICE
+++ b/libthread_db/NOTICE
@@ -1,26 +1,4 @@
-Copyright (C) 2007 The Android Open Source Project
-All rights reserved.
+Copyright 2006 The Android Open Source Project
 
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-3. Neither the name of the project nor the names of its contributors
-   may be used to endorse or promote products derived from this software
-   without specific prior written permission.
+-------------------------------------------------------------------
 
-THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.