Move Autotest to /usr/local/autotest and fix hard-coded autodir paths in client tests.

client/site_tests/realtimecomm_GTalkAudioBench/realtimecomm_GTalkAudioBench.py

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os, shutil
 from autotest_lib.client.bin import test, utils
 
 class realtimecomm_GTalkAudioBench(test.test):
     version = 1
     performance_results = {}
     codecs = [
         'IPCMWB',
         'ISAC',
         'ISACLC',
         'EG711U',
         'EG711A',
         'PCMU',
         'PCMA',
         'iLBC',
         'G722',
         'GSM',
 #       'speex',
 #       'red',
 #       'telephone-event',
 #       'CN',
     ]
-    # TODO(zhurunz): Support ARM once available.
-    gips_path = '/home/autotest/gips'
-    gips = os.path.join(gips_path, 'audiotesttool.i686')
+
+    def setup(self):
+        # TODO(zhurunz): Support ARM once available.
+        self.gips_path = os.path.join(self.autodir, 'gips')
+        self.gips = os.path.join(self.gips_path, 'audiotesttool.i686')
+
 
     def run_once(self):
         # Setup as appropriate
         shutil.rmtree(self.gips_path, ignore_errors=True)
         shutil.copytree(self.bindir, self.gips_path)
         utils.run('chown chronos %s -R' % self.gips_path)
 
         # Run all codecs
         for codec in self.codecs:
             self.__run_one_codec(codec.lower())
@@ skipping 11 matching lines @@
             utils.system_output, cmd, retain_output=True)
         self.performance_results['utime_gtalk_%s_enc' % codec] = cpu_usage
 
         # Decode
         para = "--codec=%s decode output.rtp output.wav" % codec
         cmd = "cd %s && su chronos -c '%s %s'" % \
             (self.gips_path, self.gips, para)
         cpu_usage, stdout = utils.get_cpu_percentage(
             utils.system_output, cmd, retain_output=True)
         self.performance_results['utime_gtalk_%s_dec' % codec] = cpu_usage